[  517.863124] bond0: (slave eth0): making interface the new active one
[  517.863211] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.070704] bond0: (slave eth0): Releasing backup interface
[  522.138719] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.296240] bond0: (slave eth0): Releasing backup interface
[  526.316184] bond0 (unregistering): Released all slaves