[  514.400749] bond0: (slave eth0): making interface the new active one
[  514.400837] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.624451] bond0: (slave eth0): Releasing backup interface
[  518.746454] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.965976] bond0: (slave eth0): Releasing backup interface
[  522.991929] bond0 (unregistering): Released all slaves