[  501.648948] bond0: (slave eth0): making interface the new active one
[  501.649041] bond0: (slave eth0): Enslaving as an active interface with an up link
[  505.804285] bond0: (slave eth0): Releasing backup interface
[  505.887216] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.036534] bond0: (slave eth0): Releasing backup interface
[  510.073509] bond0 (unregistering): Released all slaves