[  503.047883] bond0: (slave eth0): making interface the new active one
[  503.047947] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.212644] bond0: (slave eth0): Releasing backup interface
[  507.279773] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.435258] bond0: (slave eth0): Releasing backup interface
[  511.473383] bond0 (unregistering): Released all slaves