[  524.409676] bond0: (slave eth0): making interface the new active one
[  524.409751] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.588859] bond0: (slave eth0): Releasing backup interface
[  528.661888] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.816955] bond0: (slave eth0): Releasing backup interface
[  532.851914] bond0 (unregistering): Released all slaves