[  521.518864] bond0: (slave eth0): making interface the new active one
[  521.518968] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.704733] bond0: (slave eth0): Releasing backup interface
[  525.764524] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.934736] bond0: (slave eth0): Releasing backup interface
[  529.965178] bond0 (unregistering): Released all slaves