Public bug reported:
grep "syslog" /var/log/syslog:
---start grep---
Apr 20 12:30:25 bling libvirtd[1129]: libvirt version: 6.0.0, package:
0ubuntu8.8 (Victor Manuel Tapia King <victor.ta...@canonical.com> Fri, 19 Feb
2021 17:15:56 +0100)
Apr 20 12:30:25 bling libvirtd[1129]: hostname: bling
Apr 20 12:30:25 bling libvirtd[1129]: internal error: Failed to apply firewall
rules /usr/sbin/ip6tables --table filter --list-rules: ip6tables v1.8.4
(legacy): can't initialize ip6tables table `filter': Address family not
supported by protocol#012Perhaps ip6tables or your kernel needs to be upgraded.
Apr 20 12:30:26 bling dnsmasq[1405]: read
/var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses
Apr 20 12:30:26 bling dnsmasq-dhcp[1405]: read
/var/lib/libvirt/dnsmasq/default.hostsfile
Apr 20 12:52:32 bling libvirtd[1129]: Failed to connect socket to
'/var/run/libvirt/virtquemud-sock': No such file or directory
Apr 20 12:52:32 bling libvirtd[1129]: End of file while reading data:
Input/output error
Apr 20 12:53:09 bling systemd[1]: Stopping Suspend/Resume Running libvirt
Guests...
Apr 20 12:53:34 bling kernel: [ 7.694197] audit: type=1400
audit(1618923214.067:2): apparmor="STATUS" operation="profile_load"
profile="unconfined" name="libvirtd" pid=916 comm="apparmor_parser"
Apr 20 12:53:34 bling kernel: [ 7.694200] audit: type=1400
audit(1618923214.067:3): apparmor="STATUS" operation="profile_load"
profile="unconfined" name="libvirtd//qemu_bridge_helper" pid=916
comm="apparmor_parser"
Apr 20 12:53:35 bling systemd[1]: Starting Suspend/Resume Running libvirt
Guests...
Apr 20 12:53:35 bling systemd[1]: Finished Suspend/Resume Running libvirt
Guests.
---/end grep---
This was one session log from restart.
root@bling:~# ls /var/run/libvirt
hostdevmgr interface libvirt-admin-sock libvirt-sock libvirt-sock-ro
network nodedev nwfilter nwfilter-binding qemu secrets storage
virtlockd-admin-sock virtlockd-sock virtlogd-admin-sock virtlogd-sock
Steps made from zero to probable bug, logged in as root after initial install:
1. clean install ubuntu 20.04.2, reboot, log in, configure root, reboot, log in
as root
2. apt-get upgrade, apt-get update, apt-get dist-upgrade, reboot
3. sudo apt install qemu qemu-kvm libvirt-clients libvirt-daemon-system
virtinst bridge-utils, reboot
4. sudo service libvirtd start
5. root@bling:~/kvm# sudo update-rc.d libvirtd enable
update-rc.d: error: cannot find a LSB script for libvirtd
6. virt-install [follows virtual machine conf description which works very well
in 3 other computers]
ERROR Failed to connect socket to '/var/run/libvirt/virtquemud-sock': No
such file or directory
To me, more enduser than Ubuntu specialist, seems like "virtquemud-sock"
has excess "u" after "q", must be "virtqemud-sock".
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: libvirt-daemon-system 6.0.0-0ubuntu8.8
ProcVersionSignature: Ubuntu 5.4.0-72.80-generic 5.4.101
Uname: Linux 5.4.0-72-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: pass
Date: Tue Apr 20 14:55:10 2021
InstallationDate: Installed on 2021-04-17 (3 days ago)
InstallationMedia: Ubuntu-Server 20.04.1 LTS "Focal Fossa" - Release amd64
(20200731)
ProcEnviron:
SHELL=/bin/bash
LANG=en_US.UTF-8
TERM=xterm
XDG_RUNTIME_DIR=<set>
PATH=(custom, no user)
SourcePackage: libvirt
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.libvirt.nwfilter.allow-arp.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.allow-dhcp-server.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.allow-dhcp.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.allow-incoming-ipv4.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.allow-ipv4.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.clean-traffic-gateway.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.clean-traffic.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-arp-ip-spoofing.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-arp-mac-spoofing.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-arp-spoofing.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-ip-multicast.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-ip-spoofing.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-mac-broadcast.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-mac-spoofing.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-other-l2-traffic.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.no-other-rarp-traffic.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.qemu-announce-self-rarp.xml: [modified]
modified.conffile..etc.libvirt.nwfilter.qemu-announce-self.xml: [modified]
modified.conffile..etc.libvirt.qemu.networks.default.xml: [deleted]
mtime.conffile..etc.libvirt.nwfilter.allow-arp.xml: 2021-04-20T12:26:43.197729
mtime.conffile..etc.libvirt.nwfilter.allow-dhcp-server.xml:
2021-04-20T12:26:43.201729
mtime.conffile..etc.libvirt.nwfilter.allow-dhcp.xml: 2021-04-20T12:26:43.157729
mtime.conffile..etc.libvirt.nwfilter.allow-incoming-ipv4.xml:
2021-04-20T12:26:43.189729
mtime.conffile..etc.libvirt.nwfilter.allow-ipv4.xml: 2021-04-20T12:26:43.225729
mtime.conffile..etc.libvirt.nwfilter.clean-traffic-gateway.xml:
2021-04-20T12:26:43.177729
mtime.conffile..etc.libvirt.nwfilter.clean-traffic.xml:
2021-04-20T12:26:43.121729
mtime.conffile..etc.libvirt.nwfilter.no-arp-ip-spoofing.xml:
2021-04-20T12:26:43.129729
mtime.conffile..etc.libvirt.nwfilter.no-arp-mac-spoofing.xml:
2021-04-20T12:26:43.141729
mtime.conffile..etc.libvirt.nwfilter.no-arp-spoofing.xml:
2021-04-20T12:26:43.209729
mtime.conffile..etc.libvirt.nwfilter.no-ip-multicast.xml:
2021-04-20T12:26:43.145729
mtime.conffile..etc.libvirt.nwfilter.no-ip-spoofing.xml:
2021-04-20T12:26:43.165729
mtime.conffile..etc.libvirt.nwfilter.no-mac-broadcast.xml:
2021-04-20T12:26:43.153729
mtime.conffile..etc.libvirt.nwfilter.no-mac-spoofing.xml:
2021-04-20T12:26:43.181729
mtime.conffile..etc.libvirt.nwfilter.no-other-l2-traffic.xml:
2021-04-20T12:26:43.213729
mtime.conffile..etc.libvirt.nwfilter.no-other-rarp-traffic.xml:
2021-04-20T12:26:43.169729
mtime.conffile..etc.libvirt.nwfilter.qemu-announce-self-rarp.xml:
2021-04-20T12:26:43.133729
mtime.conffile..etc.libvirt.nwfilter.qemu-announce-self.xml:
2021-04-20T12:26:43.221729
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal uec-images
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https://bugs.launchpad.net/bugs/1925228
Title:
libvirtd failed to connect to socket
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