[  510.778584] bond0: (slave eth0): making interface the new active one
[  510.778662] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.961889] bond0: (slave eth0): Releasing backup interface
[  515.043404] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.192225] bond0: (slave eth0): Releasing backup interface
[  519.218218] bond0 (unregistering): Released all slaves