[  519.353293] bond0: (slave eth0): making interface the new active one
[  519.353367] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.530579] bond0: (slave eth0): Releasing backup interface
[  523.597355] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.761295] bond0: (slave eth0): Releasing backup interface
[  527.787132] bond0 (unregistering): Released all slaves