[  513.777869] bond0: (slave eth0): making interface the new active one
[  513.777958] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.983413] bond0: (slave eth0): Releasing backup interface
[  518.097376] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.265056] bond0: (slave eth0): Releasing backup interface
[  522.294932] bond0 (unregistering): Released all slaves