[  514.274900] bond0: (slave eth0): making interface the new active one
[  514.274975] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.486888] bond0: (slave eth0): Releasing backup interface
[  518.592733] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.779978] bond0: (slave eth0): Releasing backup interface
[  522.806927] bond0 (unregistering): Released all slaves