[  506.779036] bond0: (slave eth0): making interface the new active one
[  506.779111] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.926564] bond0: (slave eth0): Releasing backup interface
[  511.001295] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.155411] bond0: (slave eth0): Releasing backup interface
[  515.176250] bond0 (unregistering): Released all slaves