[   31.349388][  T238] bond0: (slave eth0): making interface the new active one
[   31.350172][  T238] bond0: (slave eth0): Enslaving as an active interface with an up link
[   31.711683][  T239] ip (239) used greatest stack depth: 24168 bytes left
[   36.867781][  T243] bond0: (slave eth0): Releasing backup interface
[   37.198260][  T244] ip (244) used greatest stack depth: 23928 bytes left
[   37.871884][  T246] bond0: (slave eth0): Enslaving as an active interface with an up link
[   42.761774][  T242] bond0: (slave eth0): Releasing backup interface
[   42.910055][  T242] bond0 (unregistering): Released all slaves