[  517.909630] bond0: (slave eth0): making interface the new active one
[  517.909706] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.134087] bond0: (slave eth0): Releasing backup interface
[  522.240838] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.423999] bond0: (slave eth0): Releasing backup interface
[  526.451931] bond0 (unregistering): Released all slaves