[  517.816015] bond0: (slave eth0): making interface the new active one
[  517.816115] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.017599] bond0: (slave eth0): Releasing backup interface
[  522.095022] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.241238] bond0: (slave eth0): Releasing backup interface
[  526.264198] bond0 (unregistering): Released all slaves