[  505.020793] bond0: (slave eth0): making interface the new active one
[  505.020862] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.204243] bond0: (slave eth0): Releasing backup interface
[  509.298337] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.494261] bond0: (slave eth0): Releasing backup interface
[  513.535734] bond0 (unregistering): Released all slaves