I have the same problem, the mac of my ethernet card are switching between 00:1B:FC:AB:CA:A6 and a6:ca:ab:fc:1b:00 every time I suspend my system. I made a workarround defining both macs for eth0. editing the file: /etc/udev/rules.d/70-persistent-net.rules
You should see something like this: --------------------------------------------------- # This file maintains persistent names for network interfaces. # See udev(7) for syntax. # # Entries are automatically added by the 75-persistent-net-generator.rules # file; however you are also free to add your own entries. # PCI device 0x10de:0x0057 (forcedeth) SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:1b:fc:ab:ca:a6", NAME="eth0" # PCI device 0x10de:0x0057 (forcedeth) SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="a6:ca:ab:fc:1b:00", NAME="eth1" --------------------------------------------------- You can see how the system are detecting two macs for same card (I have not other one) So In order to avoid the switching I have changed the eth1 to eth0 and seems Its working for me. -- eth0 is rename to ethX after sleep https://bugs.launchpad.net/bugs/205827 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