> Out of curiosity, what is the contents of your /etc/dnsmasq.d directory? Is there a symlink in there to /etc/dnsmasq.d-available/libvirt-daemon? What is the contents of that file?
$ ls -l /etc/dnsmasq.d total 0 lrwxrwxrwx 1 root root 39 Aug 29 2020 libvirt-daemon -> /etc/dnsmasq.d-available/libvirt-daemon $ cat /etc/dnsmasq.d-available/libvirt-daemon bind-interfaces except-interface=virbr0 $ > Do you know what else could be listening on that interface? What's the output > of "sudo netstat --tcp --udp --listening --programs --numeric"? $ sudo netstat --tcp --udp --listening --programs --numeric Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN 979/systemd-resolve tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1308/sshd: /usr/sbi tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 995/cupsd tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN 1078/named tcp 0 0 127.0.0.1:6010 0.0.0.0:* LISTEN 2530/sshd: miyakz@p tcp 0 0 127.0.0.1:6011 0.0.0.0:* LISTEN 2758/sshd: miyakz@p tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 ::1:53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 240f:3c:649e:1:b62e::53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 fe80::b62e:99ff:fe91:53 :::* LISTEN 1078/named tcp6 0 0 :::22 :::* LISTEN 1308/sshd: /usr/sbi tcp6 0 0 ::1:631 :::* LISTEN 995/cupsd tcp6 0 0 ::1:953 :::* LISTEN 1078/named tcp6 0 0 ::1:6010 :::* LISTEN 2530/sshd: miyakz@p tcp6 0 0 ::1:6011 :::* LISTEN 2758/sshd: miyakz@p udp 0 0 0.0.0.0:48454 0.0.0.0:* 994/avahi-daemon: r udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 192.168.0.2:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.1:53 0.0.0.0:* 1078/named udp 0 0 127.0.0.53:53 0.0.0.0:* 979/systemd-resolve udp 0 0 0.0.0.0:631 0.0.0.0:* 1074/cups-browsed udp 0 0 0.0.0.0:5353 0.0.0.0:* 994/avahi-daemon: r udp6 0 0 :::60066 :::* 994/avahi-daemon: r udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 ::1:53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 240f:3c:649e:1:b62e::53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe91:53 :::* 1078/named udp6 0 0 fe80::b62e:99ff:fe9:546 :::* 976/systemd-network udp6 0 0 :::5353 :::* 994/avahi-daemon: r $ In this situation, I got $ virsh net-start default error: Failed to start network default error: internal error: Child process (VIR_BRIDGE_NAME=virbr0 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper) unexpected exit status 2: dnsmasq: failed to create listening socket for 192.168.122.1: Address already in use $ and, $ sudo netstat --tcp --udp --listening --programs --numeric | grep 192.168.122 $ grep was not hit any string. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2055776 Title: After updating ubuntu, the network to which the subnet address is assigned does not become active in KVM. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/2055776/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
