[  539.606407] bond0: (slave eth0): making interface the new active one
[  539.606502] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.829800] bond0: (slave eth0): Releasing backup interface
[  543.919478] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.122875] bond0: (slave eth0): Releasing backup interface
[  548.158747] bond0 (unregistering): Released all slaves