[  518.555469] bond0: (slave eth0): making interface the new active one
[  518.555546] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.777536] bond0: (slave eth0): Releasing backup interface
[  522.886693] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.069067] bond0: (slave eth0): Releasing backup interface
[  527.096982] bond0 (unregistering): Released all slaves