[  518.528458] bond0: (slave eth0): making interface the new active one
[  518.528551] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.777176] bond0: (slave eth0): Releasing backup interface
[  522.885787] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.058032] bond0: (slave eth0): Releasing backup interface
[  527.101988] bond0 (unregistering): Released all slaves