[  514.413095] bond0: (slave eth0): making interface the new active one
[  514.413196] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.618157] bond0: (slave eth0): Releasing backup interface
[  518.747133] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.964812] bond0: (slave eth0): Releasing backup interface
[  522.991677] bond0 (unregistering): Released all slaves