[  522.143424] bond0: (slave eth0): making interface the new active one
[  522.143517] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.348683] bond0: (slave eth0): Releasing backup interface
[  526.427880] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.579210] bond0: (slave eth0): Releasing backup interface
[  530.607052] bond0 (unregistering): Released all slaves