[  518.675390] bond0: (slave eth0): making interface the new active one
[  518.675480] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.909823] bond0: (slave eth0): Releasing backup interface
[  523.027026] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.198471] bond0: (slave eth0): Releasing backup interface
[  527.240028] bond0 (unregistering): Released all slaves