[  518.359941] bond0: (slave eth0): making interface the new active one
[  518.360022] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.590515] bond0: (slave eth0): Releasing backup interface
[  522.715560] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.933094] bond0: (slave eth0): Releasing backup interface
[  526.964008] bond0 (unregistering): Released all slaves