[  518.290018] bond0: (slave eth0): making interface the new active one
[  518.290140] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.442175] bond0: (slave eth0): Releasing backup interface
[  522.526336] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.670094] bond0: (slave eth0): Releasing backup interface
[  526.707038] bond0 (unregistering): Released all slaves