If you deleted it, there's no way to get it back. Deleting it will cause your interface names to change on the next reboot; thus any manual configuration for your network will be lost or (worse) confused between the different cards.
On a desktop machine with Network Manager, this tends not to matter, but on servers it can be very bad. -- mac80211 "master" interface matches existant persistent network rules https://bugs.launchpad.net/bugs/183968 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
