[  518.149546] bond0: (slave eth0): making interface the new active one
[  518.149618] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.311732] bond0: (slave eth0): Releasing backup interface
[  522.381267] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.545600] bond0: (slave eth0): Releasing backup interface
[  526.588410] bond0 (unregistering): Released all slaves