[  506.636112] bond0: (slave eth0): making interface the new active one
[  506.636212] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.797095] bond0: (slave eth0): Releasing backup interface
[  510.881968] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.096731] bond0: (slave eth0): Releasing backup interface
[  515.123604] bond0 (unregistering): Released all slaves