[  522.480479] bond0: (slave eth0): making interface the new active one
[  522.480580] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.751273] bond0: (slave eth0): Releasing backup interface
[  526.871022] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.098043] bond0: (slave eth0): Releasing backup interface
[  531.137085] bond0 (unregistering): Released all slaves