[  517.785879] bond0: (slave eth0): making interface the new active one
[  517.785963] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.994907] bond0: (slave eth0): Releasing backup interface
[  522.062223] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.215854] bond0: (slave eth0): Releasing backup interface
[  526.238791] bond0 (unregistering): Released all slaves