[  511.104956] bond0: (slave eth0): making interface the new active one
[  511.105043] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.355317] bond0: (slave eth0): Releasing backup interface
[  515.464847] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.640196] bond0: (slave eth0): Releasing backup interface
[  519.680101] bond0 (unregistering): Released all slaves