[  522.642929] bond0: (slave eth0): making interface the new active one
[  522.643063] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.800459] bond0: (slave eth0): Releasing backup interface
[  526.873570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.027357] bond0: (slave eth0): Releasing backup interface
[  531.061413] bond0 (unregistering): Released all slaves