[Bug 1397654] Re: Adding a virtual wireless interface is broken

[Martin Pitt]

In 15.04 we dropped the old 75-persistent-net-generator.rules which
causes this trouble, in favor of
http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
, so this should work now.

** Changed in: udev (Ubuntu)
       Status: Confirmed => Fix Released

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Title:
  Adding a virtual wireless interface is broken

Status in udev package in Ubuntu:
  Fix Released

Bug description:
  This is quite simple. I used to split my wifi network with:

        sudo iw dev wlan0 interface add wlan1 type station

  ...and it used to work (at least on some machine). Now if I do the
  same I have:

         kernel: [31130.438726] systemd-udevd[24264]: renamed network
  interface wlan1 to rename4

  ...and "rename4" is not recognized at all as a wifi interface. The
  problem probably stems from the fact that the MAC address is the
  same...

  I have no biosdevname package installed.

  Any help will be appreciated.

  System is Ubuntu 14.04 up-to-date.
  [romano:~] % uname -a
  Linux RRyS 3.13.0-40-generic #69-Ubuntu SMP Thu Nov 13 17:53:56 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  [romano:~] % wajig status udev
  Package                 Installed       Previous        Now             State
  =======================-===============-===============-===============-=====
  udev                	204-5ubuntu20.8	204-5ubuntu20.8	204-5ubuntu20.8	install

  eth0      Link encap:Ethernet  HWaddr 90:2b:34:a4:fe:3e  
            UP BROADCAST MULTICAST  MTU:1500  Metric:1
            RX packets:0 errors:0 dropped:0 overruns:0 frame:0
            TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

  lo        Link encap:Local Loopback  
            inet addr:127.0.0.1  Mask:255.0.0.0
            inet6 addr: ::1/128 Scope:Host
            UP LOOPBACK RUNNING  MTU:65536  Metric:1
            RX packets:47134 errors:0 dropped:0 overruns:0 frame:0
            TX packets:47134 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:0 
            RX bytes:20940311 (20.9 MB)  TX bytes:20940311 (20.9 MB)

  rename4   Link encap:Ethernet  HWaddr 64:70:02:d9:f4:f7  
            BROADCAST MULTICAST  MTU:1500  Metric:1
            RX packets:0 errors:0 dropped:0 overruns:0 frame:0
            TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

  rename5   Link encap:Ethernet  HWaddr 64:70:02:d9:f4:f7  
            BROADCAST MULTICAST  MTU:1500  Metric:1
            RX packets:0 errors:0 dropped:0 overruns:0 frame:0
            TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

  wlan0     Link encap:Ethernet  HWaddr 64:70:02:d9:f4:f7  
            inet addr:192.168.1.222  Bcast:192.168.1.255  Mask:255.255.255.0
            inet6 addr: fe80::6670:2ff:fed9:f4f7/64 Scope:Link
            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
            RX packets:213408 errors:0 dropped:0 overruns:0 frame:0
            TX packets:214770 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:137642894 (137.6 MB)  TX bytes:54703374 (54.7 MB)

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