[  522.372605] bond0: (slave eth0): making interface the new active one
[  522.372713] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.538169] bond0: (slave eth0): Releasing backup interface
[  526.612607] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.765662] bond0: (slave eth0): Releasing backup interface
[  530.793561] bond0 (unregistering): Released all slaves