[  518.633857] bond0: (slave eth0): making interface the new active one
[  518.633932] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.828958] bond0: (slave eth0): Releasing backup interface
[  522.898625] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.059007] bond0: (slave eth0): Releasing backup interface
[  527.088496] bond0 (unregistering): Released all slaves