[  522.223970] bond0: (slave eth0): making interface the new active one
[  522.224045] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.385071] bond0: (slave eth0): Releasing backup interface
[  526.455911] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.610750] bond0: (slave eth0): Releasing backup interface
[  530.651646] bond0 (unregistering): Released all slaves