[  548.809478] bond0: (slave eth0): making interface the new active one
[  548.809607] bond0: (slave eth0): Enslaving as an active interface with an up link
[  552.972845] bond0: (slave eth0): Releasing backup interface
[  553.043509] bond0: (slave eth0): Enslaving as an active interface with an up link
[  557.202653] bond0: (slave eth0): Releasing backup interface
[  557.233327] bond0 (unregistering): Released all slaves