[  672.557116] bond0: (slave eth0): making interface the new active one
[  672.557189] bond0: (slave eth0): Enslaving as an active interface with an up link
[  676.746660] bond0: (slave eth0): Releasing backup interface
[  676.807449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  680.974667] bond0: (slave eth0): Releasing backup interface
[  680.995874] bond0 (unregistering): Released all slaves