[  538.743337] bond0: (slave eth0): making interface the new active one
[  538.743420] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.929085] bond0: (slave eth0): Releasing backup interface
[  543.017074] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.228925] bond0: (slave eth0): Releasing backup interface
[  547.257923] bond0 (unregistering): Released all slaves