[  517.849275] bond0: (slave eth0): making interface the new active one
[  517.849379] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.069160] bond0: (slave eth0): Releasing backup interface
[  522.171402] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.358749] bond0: (slave eth0): Releasing backup interface
[  526.395645] bond0 (unregistering): Released all slaves