[  517.685851] bond0: (slave eth0): making interface the new active one
[  517.685984] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.875661] bond0: (slave eth0): Releasing backup interface
[  521.954630] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.105466] bond0: (slave eth0): Releasing backup interface
[  526.147242] bond0 (unregistering): Released all slaves