[lxc-devel] lxc-1.0.0 reboot error

[Serge Hallyn]

Quoting Vitaly Lavrov (vel21ripn at gmail.com):
> But there is a more difficult problem.
> 
> Function lxc_rename_phys_nics_on_shutdown() does not always work as it should.
> 
> ------
> lxc-start 1393409939.368 INFO     lxc_conf - running to reset 1 nic names
> lxc-start 1393409939.368 WARN     lxc_conf - resetting nic 3 to eth2 failed: No such device
> ------
> 
> I added a wait loop and debug printing and that's what got:
> -----
> lxc-start 1393433485.531 INFO     lxc_conf - running to reset 1 nic names
> lxc-start 1393433485.532 WARN     lxc_conf - resetting nic 3 to eth2 failed: 'No such device', delay 1ms
...
> lxc-start 1393433485.545 WARN     lxc_conf - resetting nic 3 to eth2 failed: 'No such device', delay 13ms
> lxc-start 1393433485.562 INFO     lxc_conf - resetting nic 3 to eth2, delay 14ms
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> If you wait 12-20 ms renaming network interface works.
> The same problem with vlan interface.

Ugh.  Yes.  We're waiting for the kernel to move the device back to our
namespace.  Not sure how best to handle that.

-serge