I have a freshly installed Debian Jessie. I had two NICs, which were eth0 and eth1, now I took out one, however I still have eth1 left in the system:

% dmesg
tg3 0000:03:00.0 eth0: Tigon3 [partno(BCM95754) rev b002] (PCI Express) MAC address 00:1a:a0:ac:f6:2d
tg3 0000:03:00.0 eth0: attached PHY is 5787 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[0])
systemd-udevd[171]: renamed network interface eth0 to eth1

Is there a way to ask not to rename the interface and just keep eth0? Thanks.

  • 3
    See the file /etc/udev/rules.d/70-persistent-net.rules.
    – user192911
    Feb 19 '16 at 16:09
  • 1
    this is a udev thing, not a systemd thing.
    – Zoredache
    Feb 19 '16 at 17:41
  • @Zoredache Sure, but udev has been swept under the systemd umbrella... Feb 19 '16 at 18:08

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