[  518.205501] bond0: (slave eth0): making interface the new active one
[  518.205603] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.387289] bond0: (slave eth0): Releasing backup interface
[  522.459615] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.609241] bond0: (slave eth0): Releasing backup interface
[  526.630252] bond0 (unregistering): Released all slaves