[  513.661336] bond0: (slave eth0): making interface the new active one
[  513.661419] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.850441] bond0: (slave eth0): Releasing backup interface
[  517.930541] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.077338] bond0: (slave eth0): Releasing backup interface
[  522.106270] bond0 (unregistering): Released all slaves