[  538.911361] bond0: (slave eth0): making interface the new active one
[  538.911442] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.128665] bond0: (slave eth0): Releasing backup interface
[  543.242864] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.730792] bond0: (slave eth0): Releasing backup interface
[  547.763636] bond0 (unregistering): Released all slaves