[  673.159582] bond0: (slave eth0): making interface the new active one
[  673.159670] bond0: (slave eth0): Enslaving as an active interface with an up link
[  677.325779] bond0: (slave eth0): Releasing backup interface
[  677.395041] bond0: (slave eth0): Enslaving as an active interface with an up link
[  681.555984] bond0: (slave eth0): Releasing backup interface
[  681.591931] bond0 (unregistering): Released all slaves