[  518.516723] bond0: (slave eth0): making interface the new active one
[  518.516805] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.715942] bond0: (slave eth0): Releasing backup interface
[  522.834914] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.005970] bond0: (slave eth0): Releasing backup interface
[  527.035864] bond0 (unregistering): Released all slaves