[  539.514308] bond0: (slave eth0): making interface the new active one
[  539.514393] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.699167] bond0: (slave eth0): Releasing backup interface
[  543.800602] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.990771] bond0: (slave eth0): Releasing backup interface
[  548.018670] bond0 (unregistering): Released all slaves