[  518.720507] bond0: (slave eth0): making interface the new active one
[  518.720596] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.892735] bond0: (slave eth0): Releasing backup interface
[  522.963779] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.114545] bond0: (slave eth0): Releasing backup interface
[  527.149577] bond0 (unregistering): Released all slaves