[  505.468052] bond0: (slave eth0): making interface the new active one
[  505.468172] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.646343] bond0: (slave eth0): Releasing backup interface
[  509.719856] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.866524] bond0: (slave eth0): Releasing backup interface
[  513.906465] bond0 (unregistering): Released all slaves