I forgot to include, other interfaces (eth*) are configured as expected upon boot:
root@<hostname>:~# ip addr show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:9c:02:ab:cb:d8 brd ff:ff:ff:ff:ff:ff inet6 my:ipv6:address:1/64 scope global temporary dynamic valid_lft 603348sec preferred_lft 84348sec inet6 my:ipv6:address:2/64 scope global dynamic valid_lft 2591995sec preferred_lft 604795sec inet6 fe80::29c:2ff:feab:cbd8/64 scope link valid_lft forever preferred_lft forever 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:9c:02:ab:cb:d9 brd ff:ff:ff:ff:ff:ff inet6 my:ipv6:address:3/64 scope global temporary dynamic valid_lft 603348sec preferred_lft 84348sec inet6 my:ipv6:address:4/64 scope global dynamic valid_lft 2591995sec preferred_lft 604795sec inet6 fe80::29c:2ff:feab:cbd9/64 scope link valid_lft forever preferred_lft forever -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1375821 Title: ifupdown doesn't bring loopback to state up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1375821/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs