I confirm that set the following to /etc/default/grub fixed the problem: GRUB_CMDLINE_LINUX_DEFAULT="net.ifnames=1 biosdevname=0" followed by sudo update-grub and setup the naming in /etc/udev/rules.d/70-persistent-net.rules
Before: # lshw -businfo -C network Bus info Device Class Description =================================================== pci@0000:03:00.0 em1 network NetXtreme II BCM5709 Gigabit Ethernet pci@0000:03:00.1 em2 network NetXtreme II BCM5709 Gigabit Ethernet pci@0000:04:00.0 em3 network NetXtreme II BCM5709 Gigabit Ethernet pci@0000:04:00.1 rename5 network NetXtreme II BCM5709 Gigabit Ethernet After: # lshw -businfo -C network Bus info Device Class Description ================================================ pci@0000:03:00.0 em1 network NetXtreme II BCM5709 Gigabit Ethernet pci@0000:03:00.1 em2 network NetXtreme II BCM5709 Gigabit Ethernet pci@0000:04:00.0 em3 network NetXtreme II BCM5709 Gigabit Ethernet pci@0000:04:00.1 em4 network NetXtreme II BCM5709 Gigabit Ethernet For those wondering about the change in interface naming: http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/ -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
