[  509.677344] bond0: (slave eth0): making interface the new active one
[  509.677436] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.871608] bond0: (slave eth0): Releasing backup interface
[  513.959735] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.097933] bond0: (slave eth0): Releasing backup interface
[  518.140892] bond0 (unregistering): Released all slaves