[  522.016476] bond0: (slave eth0): making interface the new active one
[  522.016572] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.154660] bond0: (slave eth0): Releasing backup interface
[  526.221746] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.379381] bond0: (slave eth0): Releasing backup interface
[  530.417430] bond0 (unregistering): Released all slaves