One additional observation. When an child/sub-interface is manually created by ifconfig, from the console, ifconfig *DOES* properly display this child interface.
Example Command: "# ifconfig eth0:22 10.10.10.22 netmask 255.255.255.255" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/921280 Title: ifconfig does not display sub-interfaces (aka: eth0:1 ) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/net-tools/+bug/921280/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs