[  518.008296] bond0: (slave eth0): making interface the new active one
[  518.008362] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.200452] bond0: (slave eth0): Releasing backup interface
[  522.299076] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.494110] bond0: (slave eth0): Releasing backup interface
[  526.521959] bond0 (unregistering): Released all slaves