Syslog trace during 'net-start' while IPv6 entry is in place:
Sep 29 09:36:41 acer-aspire-5536 kernel: [ 4372.079686] device br000002-nic entered promiscuous mode Sep 29 09:36:41 acer-aspire-5536 NetworkManager[889]: <warn> /sys/devices/virtual/net/br000002: couldn't determine device driver; ignoring... Sep 29 09:36:41 acer-aspire-5536 NetworkManager[889]: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/br000002, iface: br000002) Sep 29 09:36:41 acer-aspire-5536 NetworkManager[889]: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/br000002, iface: br000002): no ifupdown configuration found. Sep 29 09:36:41 acer-aspire-5536 kernel: [ 4372.093472] ADDRCONF(NETDEV_UP): br000002: link is not ready Sep 29 09:36:41 acer-aspire-5536 NetworkManager[889]: <warn> /sys/devices/virtual/net/br000002-nic: couldn't determine device driver; ignoring... Sep 29 09:36:41 acer-aspire-5536 NetworkManager[889]: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/br000002-nic, iface: br000002-nic) Sep 29 09:36:41 acer-aspire-5536 NetworkManager[889]: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/br000002-nic, iface: br000002-nic): no ifupdown configuration found. Sep 29 09:36:41 acer-aspire-5536 avahi-daemon[869]: Joining mDNS multicast group on interface br000002.IPv4 with address 10.0.0.1. Sep 29 09:36:41 acer-aspire-5536 avahi-daemon[869]: New relevant interface br000002.IPv4 for mDNS. Sep 29 09:36:41 acer-aspire-5536 avahi-daemon[869]: Registering new address record for 10.0.0.1 on br000002.IPv4. Sep 29 09:37:01 acer-aspire-5536 dnsmasq[3558]: failed to create listening socket for 2a02:1348:134::1: Cannot assign requested address Sep 29 09:37:01 acer-aspire-5536 dnsmasq[3558]: FAILED to start up Sep 29 09:37:01 acer-aspire-5536 avahi-daemon[869]: Interface br000002.IPv4 no longer relevant for mDNS. Sep 29 09:37:01 acer-aspire-5536 avahi-daemon[869]: Leaving mDNS multicast group on interface br000002.IPv4 with address 10.0.0.1. Sep 29 09:37:01 acer-aspire-5536 avahi-daemon[869]: Withdrawing address record for 10.0.0.1 on br000002. Sep 29 09:37:01 acer-aspire-5536 avahi-daemon[869]: Withdrawing workstation service for br000002-nic. Sep 29 09:37:01 acer-aspire-5536 kernel: [ 4392.274721] device br000002-nic left promiscuous mode Sep 29 09:37:01 acer-aspire-5536 kernel: [ 4392.274732] br000002: port 1(br000002-nic) entering disabled state Sep 29 09:37:01 acer-aspire-5536 NetworkManager[889]: SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/br000002-nic, iface: br000002-nic) Sep 29 09:37:02 acer-aspire-5536 avahi-daemon[869]: Withdrawing workstation service for br000002. Sep 29 09:37:02 acer-aspire-5536 NetworkManager[889]: SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/br000002, iface: br000002) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in Ubuntu. https://bugs.launchpad.net/bugs/862136 Title: Can't define network with IPv6 address in libvirt - fails to define address To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/862136/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs