>dpkg -l | grep -P '^ii|^hi' | grep -P 'qemu|xen' 
ii  libxen-4.9:amd64                     4.9.1-2+deb10u1.1              amd64        Public libs for Xen
ii  libxen-dev:amd64                     4.9.1-2+deb10u1.1              amd64        Public headers and libs for Xen
ii  libxenstore3.0:amd64                 4.9.1-2+deb10u1.1              amd64        Xenstore communications library for Xen
ii  qemuu                                2.10+deb10u1.1                 amd64        qemu-system-i386 (2.10) with 9pfs support
ii  xen-hypervisor-4.9-amd64             4.9.1-2+deb10u1.1              amd64        Xen Hypervisor on AMD64
ii  xen-system-amd64                     4.9.1-2+deb10u1.1              amd64        Xen System on AMD64 (meta-package)
ii  xen-utils-4.9                        4.9.1-2+deb10u1.1              amd64        XEN administrative tools
ii  xen-utils-common                     4.9.1-2+deb10u1.1              all          Xen administrative tools - common files
ii  xenstore-utils                       4.9.1-2+deb10u1.1              amd64        Xenstore command line utilities for Xen

>dpkg-deb -I xen-utils-common_4.9.1-2+deb10u1.1_all.deb
 new Debian package, version 2.0.
 size 285148 bytes: control archive=4216 bytes.
    1159 bytes,    40 lines      conffiles            
     599 bytes,    16 lines      control              
    6369 bytes,    78 lines      md5sums              
    5750 bytes,   134 lines   *  postinst             #!/bin/sh
    1589 bytes,    51 lines   *  postrm               #!/bin/sh
     298 bytes,    23 lines   *  preinst              #!/bin/sh
 Package: xen-utils-common
 Source: xen
 Version: 4.9.1-2+deb10u1.1
 Architecture: all
 Maintainer: Ubuntu Developers 
 Installed-Size: 512
 Depends: lsb-base, python, udev, xenstore-utils, ucf
 Section: kernel
 Priority: optional
 Description: Xen administrative tools - common files
  The userspace tools to manage a system virtualized through the Xen virtual
  machine monitor.
  .
  This package is only required on the host system (Domain 0) and not on the
  virtual guest systems (Domain U).
 Original-Maintainer: Debian Xen Team 

>dpkg-deb -I qemuu_2.10+deb10u1.1_amd64.deb
 new Debian package, version 2.0.
 size 5720660 bytes: control archive=3636 bytes.
    1235 bytes,    13 lines      control              
    7670 bytes,   106 lines      md5sums              
 Package: qemuu
 Source: xen (4.9.1-2+deb10u1.1)
 Version: 2.10+deb10u1.1
 Architecture: amd64
 Maintainer: Ubuntu Developers 
 Installed-Size: 24668
 Depends: glusterfs-common, libacl1 (>= 2.2.51-8), libaio1 (>= 0.3.93), libbrlapi0.6, libc6 (>= 2.15), libcap-ng0, libcap2 (>= 1:2.10), libcurl3-gnutls (>= 7.16.3), libfdt1, libgcc1 (>= 1:4.7), libgcrypt20 (>= 1.8.0), libglib2.0-0 (>= 2.37.1), libgnutls30 (>= 3.5.6), libiscsi7 (>= 1.17.0), libjpeg62-turbo (>= 1.3.1), liblzo2-2, libncursesw5 (>= 6), libnfs8 (>= 1.11.0), libnuma1 (>= 2.0.11), libpixman-1-0 (>= 0.19.6), libpng16-16 (>= 1.6.2-1), librados2 (>= 0.72.2), librbd1 (>= 0.80.5-2~), libsasl2-2, libsdl2-2.0-0 (>= 2.0.7), libseccomp2 (>= 2.1.0), libspice-server1 (>= 0.12.6), libssh2-1 (>= 1.5.0), libstdc++6 (>= 4.1.1), libtinfo5 (>= 6), libusb-1.0-0 (>= 2:1.0.19), libusbredirparser1 (>= 0.6), libuuid1 (>= 2.16), libvdeplug2, libx11-6, libxen-4.9 (>= 4.9.1), libxenstore3.0 (>= 4.1.0~rc6), zlib1g (>= 1:1.2.0)
 Provides: qemuu
 Section: admin
 Priority: optional
 Description: qemu-system-i386 (2.8) with 9pfs support
  Warning: This is a custom testing build of Xen.
 Original-Maintainer: Debian Xen Team 

>cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux buster/sid"
NAME="Debian GNU/Linux"
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

>cat /etc/debian_version
buster/sid

>xl dmesg | head -n95
 __  __            _  _   ___   _ 
 \ \/ /___ _ __   | || | / _ \ / |
  \  // _ \ '_ \  | || || (_) || |
  /  \  __/ | | | |__   _\__, || |
 /_/\_\___|_| |_|    |_|(_)/_(_)_|
                                  
(XEN) Xen version 4.9.1 (pbuser@prymar56.org) (gcc (Debian 7.2.0-17) 7.2.1 20171205) debug=n  Wed Dec 20 14:42:00 PST 2017
(XEN) Latest ChangeSet: 32e364c4e72157-x86/paging: don-t unconditionally BUG() on finding SHARED_M2P_ENTRY-Tue 12 Dec 2017 05:40
(XEN) Bootloader: GNU GRUB 0.97
(XEN) Command line: dom0_mem=512M,max:608M  guest_loglvl=all loglvl=all console=vga vga=gfx-1280x1024x16 conring_size=48k text sched=credit2 cpufreq=none
(XEN) Xen image load base address: 0
(XEN) Video information:
(XEN)  VGA is graphics mode 1280x1024, 16 bpp
(XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds
(XEN) Disc information:
(XEN)  Found 3 MBR signatures
(XEN)  Found 3 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009dc00 (usable)
(XEN)  000000000009f800 - 00000000000a0000 (reserved)
(XEN)  00000000000f0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000dfee0000 (usable)
(XEN)  00000000dfee0000 - 00000000dfee2000 (ACPI NVS)
(XEN)  00000000dfee2000 - 00000000dfef0000 (ACPI data)
(XEN)  00000000dfef0000 - 00000000dff00000 (reserved)
(XEN)  00000000f4000000 - 00000000f8000000 (reserved)
(XEN)  00000000fec00000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000120000000 (usable)
(XEN) New Xen image base address: 0xdf800000
(XEN) ACPI: RSDP 000F7100, 0014 (r0 GBT   )
(XEN) ACPI: RSDT DFEE2040, 003C (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: FACP DFEE20C0, 0074 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: DSDT DFEE2180, 4C86 (r1 GBT    GBTUACPI     1000 MSFT  100000C)
(XEN) ACPI: FACS DFEE0000, 0040
(XEN) ACPI: HPET DFEE6F80, 0038 (r1 GBT    GBTUACPI 42302E31 GBTU       98)
(XEN) ACPI: MCFG DFEE7000, 003C (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: EUDS DFEE7040, 0000 (r1 GBT                    0             0)
(XEN) ACPI: TAMG DFEE7560, 6852 (r1 GBT    GBT   B0 5455312E BG    20101)
(XEN) ACPI: APIC DFEE6E80, 0084 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) System RAM: 4094MB (4192756kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-0000000120000000
(XEN) Domain heap initialised
(XEN) Allocated console ring of 64 KiB.
(XEN) vesafb: framebuffer at 0xe0000000, mapped to 0xffff82c000201000, using 4096k, total 262144k
(XEN) vesafb: mode is 1280x1024x16, linelength=2560, font 8x16
(XEN) vesafb: Truecolor: size=0:5:6:5, shift=0:11:5:0
(XEN) CPU Vendor: Intel, Family 6 (0x6), Model 23 (0x17), Stepping 10 (raw 0001067a)
(XEN) found SMP MP-table at 000f5700
(XEN) DMI 2.4 present.
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x408 (24 bits)
(XEN) ACPI: SLEEP INFO: pm1x_cnt[1:404,1:0], pm1x_evt[1:400,1:0]
(XEN) ACPI:             wakeup_vec[dfee000c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] disabled)
(XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] disabled)
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x03] dfl dfl lint[0x1])
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
(XEN) ACPI: HPET id: 0x8086a201 base: 0xfed00000
(XEN) ERST table was not found
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) SMP: Allowing 4 CPUs (2 hotplug CPUs)
(XEN) IRQ limits: 24 GSI, 376 MSI/MSI-X
(XEN) XSM Framework v1.0.0 initialized
(XEN) Flask: 128 avtab hash slots, 280 rules.
(XEN) Flask: 128 avtab hash slots, 280 rules.
(XEN) Flask:  4 users, 3 roles, 38 types, 2 bools
(XEN) Flask:  12 classes, 280 rules
(XEN) Flask:  Starting in enforcing mode.
(XEN) xstate: size: 0x240 and states: 0x3
(XEN) CPU0: Intel machine check reporting enabled
(XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2)

>brctl show
bridge name	bridge id		STP enabled	interfaces
br0		8000.00241d23f6ed	no		eth0
							vif1.0
							vif2.0
							vif4.0
							vif5.0
							vif6.0
virbr0		8000.feffffffffff	no		vif3.0

>systemctl status lvm2-pvscan@8:33.service
● lvm2-pvscan@8:33.service - LVM2 PV scan on device 8:33
   Loaded: loaded (/lib/systemd/system/lvm2-pvscan@.service; static; vendor preset: enabled)
  Drop-In: /etc/systemd/system/lvm2-pvscan@8:33.service.d
           └─fix.conf
   Active: active (exited) since Wed 2017-12-20 15:42:48 PST; 4min 4s ago
     Docs: man:pvscan(8)
  Process: 286 ExecStart=/sbin/lvm pvscan --cache --activate ay 8:33 (code=exited, status=0/SUCCESS)
 Main PID: 286 (code=exited, status=0/SUCCESS)

Dec 20 15:42:33 xendeb10 systemd[1]: Starting LVM2 PV scan on device 8:33...
Dec 20 15:42:48 xendeb10 lvm[286]:   46 logical volume(s) in volume group "maxvm" now active
Dec 20 15:42:48 xendeb10 systemd[1]: Started LVM2 PV scan on device 8:33.

>systemctl status dnsmasq
● dnsmasq.service - dnsmasq - A lightweight DHCP and caching DNS server
   Loaded: loaded (/lib/systemd/system/dnsmasq.service; enabled; vendor preset: enabled)
  Drop-In: /etc/systemd/system/dnsmasq.service.d
           └─xen.conf
   Active: active (running) since Wed 2017-12-20 15:42:50 PST; 4min 2s ago
  Process: 1253 ExecStartPost=/etc/init.d/dnsmasq systemd-start-resolvconf (code=exited, status=0/SUCCESS)
  Process: 1235 ExecStart=/etc/init.d/dnsmasq systemd-exec (code=exited, status=0/SUCCESS)
  Process: 1232 ExecStartPre=/bin/bash -c cat /dev/null > /var/lib/misc/dnsmasq.leases;/usr/bin/touch /var/log/dhcp.log.xx (code=exited, status=0/SUCCESS)
  Process: 1208 ExecStartPre=/usr/sbin/dnsmasq --test (code=exited, status=0/SUCCESS)
 Main PID: 1251 (dnsmasq)
    Tasks: 2 (limit: 4915)
   CGroup: /system.slice/dnsmasq.service
           ├─1251 /usr/sbin/dnsmasq -x /run/dnsmasq/dnsmasq.pid -u dnsmasq -7 /etc/dnsmasq.d,.dpkg-dist,.dpkg-old,.dpkg-new --local-service --trust-anchor=.,19036,8,2,49aac11d7b6f6446702e54a1607371607a1a41855200fd2ce1cdde32f24e8fb5 --trust-anchor=.,20326,8,2,e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d
           └─1252 /usr/sbin/dnsmasq -x /run/dnsmasq/dnsmasq.pid -u dnsmasq -7 /etc/dnsmasq.d,.dpkg-dist,.dpkg-old,.dpkg-new --local-service --trust-anchor=.,19036,8,2,49aac11d7b6f6446702e54a1607371607a1a41855200fd2ce1cdde32f24e8fb5 --trust-anchor=.,20326,8,2,e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d

Dec 20 15:42:50 xendeb10 dnsmasq[1251]: using nameserver 209.18.47.61#53
Dec 20 15:42:50 xendeb10 dnsmasq[1251]: using nameserver 209.18.47.62#53
Dec 20 15:42:50 xendeb10 dnsmasq[1251]: read /etc/hosts - 2 addresses
Dec 20 15:42:50 xendeb10 systemd[1]: Started dnsmasq - A lightweight DHCP and caching DNS server.
Dec 20 15:43:51 xendeb10 dnsmasq-dhcp[1251]: DHCPDISCOVER(virbr0) 192.168.122.75 00:16:3e:7a:b2:d5
Dec 20 15:43:51 xendeb10 dnsmasq-dhcp[1251]: DHCPOFFER(virbr0) 192.168.122.75 00:16:3e:7a:b2:d5
Dec 20 15:43:51 xendeb10 dnsmasq-dhcp[1251]: DHCPREQUEST(virbr0) 192.168.122.75 00:16:3e:7a:b2:d5
Dec 20 15:43:51 xendeb10 dnsmasq-dhcp[1251]: DHCPACK(virbr0) 192.168.122.75 00:16:3e:7a:b2:d5 pv1604
Dec 20 15:43:51 xendeb10 root[3470]: add 192.168.122.75 pv1604
Dec 20 15:43:51 xendeb10 dnsmasq-script[1251]: iptables: No chain/target/match by that name.

>systemctl status xendomains
● xendomains.service - Xendomains - start and stop guests on boot and shutdown
   Loaded: loaded (/lib/systemd/system/xendomains.service; enabled; vendor preset: enabled)
   Active: active (exited) since Wed 2017-12-20 15:43:06 PST; 3min 47s ago
  Process: 700 ExecStart=/usr/lib/xen-4.9/bin/xendomains start (code=exited, status=0/SUCCESS)
  Process: 698 ExecStartPre=/bin/grep -q control_d /proc/xen/capabilities (code=exited, status=0/SUCCESS)
 Main PID: 700 (code=exited, status=0/SUCCESS)
    Tasks: 12 (limit: 4915)
   CGroup: /system.slice/xendomains.service
           ├─1228 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/b_c7min
           ├─1635 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/c_debexp
           ├─1948 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/d_pv1604
           ├─2278 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/e_pv1204
           ├─2657 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/f_ub1804
           └─3420 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/g_pvdeb9

Dec 20 15:43:04 xendeb10 root[3184]: /etc/xen/scripts/block: Writing backend/vbd/6/51728/physical-device-path /dev/dm-40 to xenstore.
Dec 20 15:43:04 xendeb10 root[3186]: /etc/xen/scripts/block: Writing backend/vbd/6/51728/hotplug-status connected to xenstore.
Dec 20 15:43:04 xendeb10 root[3266]: /etc/xen/scripts/block: Writing backend/vbd/6/51776/physical-device-path /dev/dm-56 to xenstore.
Dec 20 15:43:04 xendeb10 root[3268]: /etc/xen/scripts/block: Writing backend/vbd/6/51776/hotplug-status connected to xenstore.
Dec 20 15:43:05 xendeb10 root[3344]: /etc/xen/scripts/block: Writing backend/vbd/6/51712/physical-device fe:39 to xenstore.
Dec 20 15:43:05 xendeb10 root[3346]: /etc/xen/scripts/block: Writing backend/vbd/6/51712/physical-device-path /dev/dm-57 to xenstore.
Dec 20 15:43:05 xendeb10 root[3348]: /etc/xen/scripts/block: Writing backend/vbd/6/51712/hotplug-status connected to xenstore.
Dec 20 15:43:05 xendeb10 root[3417]: /etc/xen/scripts/vif-bridge: Writing backend/vif/6/0/hotplug-status connected to xenstore.
Dec 20 15:43:06 xendeb10 xendomains[700]: Starting auto Xen domains: b_c7min c_debexp d_pv1604 e_pv1204 f_ub1804 g_pvdeb9[done].
Dec 20 15:43:06 xendeb10 systemd[1]: Started Xendomains - start and stop guests on boot and shutdown.

>xl info
host                   : xendeb10
release                : 4.14.0-1-amd64
version                : #1 SMP Debian 4.14.2-1 (2017-11-30)
machine                : x86_64
nr_cpus                : 2
max_cpu_id             : 3
nr_nodes               : 1
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 3062
hw_caps                : bfebfbff:0408e3bd:20100800:00000001:00000000:00000000:00000000:00000000
virt_caps              : hvm
total_memory           : 4094
free_memory            : 124
sharing_freed_memory   : 0
sharing_used_memory    : 0
outstanding_claims     : 0
free_cpus              : 0
xen_major              : 4
xen_minor              : 9
xen_extra              : .1
xen_version            : 4.9.1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 
xen_scheduler          : credit2
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : 32e364c4e72157-x86/paging: don-t unconditionally BUG() on findi
xen_commandline        : dom0_mem=512M,max:608M  guest_loglvl=all loglvl=all console=vga vga=gfx-1280x1024x16 conring_size=48k text sched=credit2 cpufreq=none
cc_compiler            : gcc (Debian 7.2.0-17) 7.2.1 20171205
cc_compile_by          : pbuser
cc_compile_domain      : prymar56.org
cc_compile_date        : Wed Dec 20 14:42:00 PST 2017
build_id               : d99a8dc99850b23e081a62c119c797a83cfadfb6
xend_config_format     : 4

>xl list
Name                                        ID   Mem VCPUs	State	Time(s)
Domain-0                                     0   512     2     r-----      21.3
c7min                                        1   984     2     -b----       5.7
debexp                                       2   512     2     -b----       5.2
pv1604                                       3   384     2     -b----       5.8
pv1204                                       4   256     2     -b----       6.0
ub1804                                       5   384     2     -b----       3.6
pvdeb9                                       6   884     2     -b----       7.1

>iptables -S -t nat
-P PREROUTING ACCEPT
-P INPUT ACCEPT
-P OUTPUT ACCEPT
-P POSTROUTING ACCEPT
-A PREROUTING -p tcp -m tcp --dport 1175 -j DNAT --to-destination 192.168.122.75:22
-A POSTROUTING -s 192.168.122.0/24 -d 224.0.0.0/24 -j RETURN
-A POSTROUTING -s 192.168.122.0/24 -d 255.255.255.255/32 -j RETURN
-A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p udp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -j MASQUERADE

>systemctl list-unit-files | grep enab | sort
acpid.path                             enabled        
acpid.socket                           enabled        
apt-daily.timer                        enabled        
apt-daily-upgrade.timer                enabled        
autovt@.service                        enabled        
blk-availability.service               enabled        
console-setup.service                  enabled        
cron.service                           enabled        
dbus-org.freedesktop.resolve1.service  enabled        
dm-event.socket                        enabled        
dnsmasq.service                        enabled        
getty@.service                         enabled        
irqbalance.service                     enabled        
keyboard-setup.service                 enabled        
lvm2-lvmetad.socket                    enabled        
lvm2-lvmpolld.socket                   enabled        
lvm2-monitor.service                   enabled        
networking.service                     enabled        
remote-fs.target                       enabled        
rsyslog.service                        enabled        
sshd.service                           enabled        
ssh.service                            enabled        
syslog.service                         enabled        
systemd-fsck-root.service              enabled-runtime
systemd-resolved.service               enabled        
systemd-timesyncd.service              enabled        
xenconsoled.service                    enabled        
xendomains.service                     enabled        
xen-init-dom0.service                  enabled        
xen-qemu-dom0-disk-backend.service     enabled        
xenstored.service                      enabled        

>ps aux | grep xen
root        21  0.0  0.0      0     0 ?        S    15:42   0:00 [xenbus]
root        22  0.0  0.0      0     0 ?        S    15:42   0:00 [xenwatch]
root       562  0.5  0.6  42264  2704 ?        S    15:42   0:01 /usr/sbin/xenstored --pid-file /var/run/xen/xenstored.pid
root       568  0.0  0.7 120244  3032 ?        SLsl 15:42   0:00 /usr/sbin/xenconsoled -i --log=none --log-dir=/var/log/xen/console
root       615  0.0  3.2 660788 14184 ?        Sl   15:42   0:00 /usr/lib/xen-4.9/bin/qemu-system-i386 -xen-domid 0 -xen-attach -name dom0 -nographic -M xenpv -daemonize -monitor /dev/null -serial /dev/null -parallel /dev/null -nodefaults -no-user-config -pidfile /var/run/xen/qemu-dom0.pid
root      1228  0.0  0.6 135408  2988 ?        SLsl 15:42   0:00 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/b_c7min
root      1635  0.0  0.6 135408  3024 ?        SLsl 15:42   0:00 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/c_debexp
root      1948  0.0  0.7 135408  3052 ?        SLsl 15:42   0:00 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/d_pv1604
root      2278  0.0  0.7 135408  3032 ?        SLsl 15:42   0:00 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/e_pv1204
root      2657  0.0  0.7 135580  3384 ?        SLsl 15:43   0:00 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/f_ub1804
root      3420  0.0  0.6 135408  3024 ?        SLsl 15:43   0:00 /usr/lib/xen-4.9/bin/xl create --quiet --defconfig /etc/xen/auto/g_pvdeb9
root      3488  0.0  0.8  49224  3808 pts/5    S+   15:46   0:00 sudo ./dump_xen_trace.multi tlviewer
root      3489  0.0  0.3   4312  1576 pts/5    S+   15:46   0:00 sh ./dump_xen_trace.multi tlviewer
root      3549  0.0  0.2  12808   952 pts/5    S+   15:46   0:00 grep xen

>cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

#auto eth0
iface eth0 inet manual

auto br0
iface br0 inet static
        address 192.168.1.9
        netmask 255.255.255.0
        network 192.168.1.0
        gateway 192.168.1.1
        accept_ra 0
        preferred-lifetime 200000
        bridge_ports eth0
        bridge_fd 0
        bridge_maxwait 1
	dnsnameserver 8.8.8.8
	dnsnameserver 4.4.4.4

>cat /etc/network/interfaces.d/virbr0
auto virbr0
iface virbr0 inet static
address 192.168.122.1
network 192.168.122.0
netmask 255.255.255.0
bridge_ports none
bridge_fd 0
bridge_maxwait 1
        post-up /sbin/iptables-restore -n < /etc/iptables/virbr0.rules
	post-down /sbin/iptables-restore -n < /etc/iptables/virbr0_down.rules
	pre-up echo 1 > /proc/sys/net/ipv4/ip_forward

>grep -P '_XEN|_HYPERVIS|PARAVIRT' /boot/config-4.14* | sort
CONFIG_HVC_XEN_FRONTEND=y
CONFIG_HVC_XEN=y
CONFIG_HYPERVISOR_GUEST=y
CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
# CONFIG_NET_9P_XEN is not set
CONFIG_PARAVIRT_CLOCK=y
# CONFIG_PARAVIRT_DEBUG is not set
CONFIG_PARAVIRT_SPINLOCKS=y
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
CONFIG_PARAVIRT=y
CONFIG_PCI_XEN=y
CONFIG_SWIOTLB_XEN=y
CONFIG_SYS_HYPERVISOR=y
CONFIG_TCG_XEN=m
CONFIG_XEN_512GB=y
CONFIG_XEN_ACPI_PROCESSOR=m
CONFIG_XEN_ACPI=y
CONFIG_XEN_AUTO_XLATE=y
CONFIG_XEN_BACKEND=y
CONFIG_XEN_BALLOON_MEMORY_HOTPLUG_LIMIT=512
CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_BLKDEV_BACKEND=m
CONFIG_XEN_BLKDEV_FRONTEND=m
CONFIG_XEN_COMPAT_XENFS=y
# CONFIG_XEN_DEBUG_FS is not set
CONFIG_XEN_DEV_EVTCHN=m
CONFIG_XEN_DOM0=y
CONFIG_XEN_EFI=y
CONFIG_XEN_FBDEV_FRONTEND=y
CONFIG_XENFS=m
CONFIG_XEN_GNTDEV=m
CONFIG_XEN_GRANT_DEV_ALLOC=m
CONFIG_XEN_HAVE_PVMMU=y
CONFIG_XEN_HAVE_VPMU=y
CONFIG_XEN_MCE_LOG=y
CONFIG_XEN_NETDEV_BACKEND=m
CONFIG_XEN_NETDEV_FRONTEND=m
CONFIG_XEN_PCIDEV_BACKEND=m
CONFIG_XEN_PCIDEV_FRONTEND=m
CONFIG_XEN_PRIVCMD=m
# CONFIG_XEN_PVCALLS_BACKEND is not set
CONFIG_XEN_PVHVM_SMP=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_PVH=y
CONFIG_XEN_PV_SMP=y
CONFIG_XEN_PV=y
CONFIG_XEN_SAVE_RESTORE=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_SCSI_BACKEND=m
CONFIG_XEN_SCSI_FRONTEND=m
CONFIG_XEN_SYMS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_TMEM=m
CONFIG_XEN_WDT=m
CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN=y

>systemd-analyze time
Startup finished in 4.801s (kernel) + 36.650s (userspace) = 41.451s

>systemd-analyze blame
         17.338s xendomains.service
         15.115s lvm2-pvscan@8:33.service
         14.002s networking.service
          4.698s lvm2-pvscan@8:21.service
          4.641s keyboard-setup.service
          2.917s dev-sda12.device
          1.508s lvm2-monitor.service
           579ms systemd-modules-load.service
           453ms systemd-tmpfiles-setup-dev.service
           399ms dnsmasq.service
           383ms systemd-udevd.service
           379ms ssh.service
           348ms rsyslog.service
           336ms xenstored.service
           287ms systemd-resolved.service
           285ms user@1000.service
           255ms data2.mount
           252ms systemd-journald.service
           210ms systemd-udev-trigger.service
           203ms data3.mount
           178ms sys-kernel-debug.mount
           172ms proc-xen.mount
           162ms systemd-remount-fs.service
           153ms dev-mqueue.mount
           141ms xen-init-dom0.service
           137ms systemd-journal-flush.service
           134ms blk-availability.service
           132ms data4.mount
           122ms kmod-static-nodes.service
           110ms systemd-timesyncd.service
            99ms systemd-sysctl.service
            87ms dev-sda3.swap
            74ms systemd-logind.service
            68ms console-setup.service
            66ms systemd-tmpfiles-setup.service
            63ms systemd-user-sessions.service
            51ms systemd-update-utmp.service
            51ms systemd-random-seed.service
            42ms var-lib-xenstored.mount
            29ms xenconsoled.service
            13ms xen-qemu-dom0-disk-backend.service
             8ms systemd-update-utmp-runlevel.service

>tree /boot
/boot
├── config-4.13.0-1-amd64
├── config-4.14.0-1-amd64
├── efi
│   └── EFI
│       └── debian
│           └── xen-4.9.1.efi
├── grub
│   └── menu.lst
├── initrd.img-4.13.0-1-amd64
├── initrd.img-4.14.0-1-amd64
├── kcfg
│   └── xen-4.9.1.config
├── System.map-4.13.0-1-amd64
├── System.map-4.14.0-1-amd64
├── vmlinuz-4.13.0-1-amd64
├── vmlinuz-4.14.0-1-amd64
├── xen-4.9.1.gz
├── xen-4.9.gz -> xen-4.9.1.gz
├── xen-4.gz -> xen-4.9.1.gz
└── xen.gz -> xen-4.9.1.gz

5 directories, 15 files

>netstat -an | grep ^tcp
tcp        0      0 127.0.0.1:6010          0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:5355            0.0.0.0:*               LISTEN     
tcp        0      0 192.168.122.1:53        0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN     
tcp        0      0 192.168.1.9:22          192.168.1.107:44734     ESTABLISHED