[  515.881809] bond0: (slave eth0): making interface the new active one
[  515.881898] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.088429] bond0: (slave eth0): Releasing backup interface
[  520.184071] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.387935] bond0: (slave eth0): Releasing backup interface
[  524.433537] bond0 (unregistering): Released all slaves