It brings you the legacy ethX names. It's up to you to write the naming you want in /etc/udev/rules.d/70-persistent-net.rules
I wrote the following: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="e8:39:35:b2:04:d0", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="em1" SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="e8:39:35:b2:04:d2", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="em2" SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="e8:39:35:b2:04:d8", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="em3" SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="e8:39:35:b2:04:da", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="em4" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1284043 Title: udev renaming the same hardware network i/f to different name, breaks networking and firewall To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/biosdevname/+bug/1284043/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs