[  506.766186] bond0: (slave eth0): making interface the new active one
[  506.766305] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.930026] bond0: (slave eth0): Releasing backup interface
[  511.000982] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.164022] bond0: (slave eth0): Releasing backup interface
[  515.207272] bond0 (unregistering): Released all slaves