[  513.585065] bond0: (slave eth0): making interface the new active one
[  513.585151] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.786454] bond0: (slave eth0): Releasing backup interface
[  517.915029] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.134028] bond0: (slave eth0): Releasing backup interface
[  522.160979] bond0 (unregistering): Released all slaves