[  538.727338] bond0: (slave eth0): making interface the new active one
[  538.727422] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.926718] bond0: (slave eth0): Releasing backup interface
[  543.015315] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.212694] bond0: (slave eth0): Releasing backup interface
[  547.239690] bond0 (unregistering): Released all slaves