[  518.672787] bond0: (slave eth0): making interface the new active one
[  518.672866] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.839013] bond0: (slave eth0): Releasing backup interface
[  522.914981] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.063222] bond0: (slave eth0): Releasing backup interface
[  527.099220] bond0 (unregistering): Released all slaves