[  513.716521] bond0: (slave eth0): making interface the new active one
[  513.716600] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.906102] bond0: (slave eth0): Releasing backup interface
[  518.001317] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.195055] bond0: (slave eth0): Releasing backup interface
[  522.232036] bond0 (unregistering): Released all slaves