[  513.620855] bond0: (slave eth0): making interface the new active one
[  513.620945] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.847326] bond0: (slave eth0): Releasing backup interface
[  517.960247] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.140241] bond0: (slave eth0): Releasing backup interface
[  522.174893] bond0 (unregistering): Released all slaves