[  510.673724] bond0: (slave eth0): making interface the new active one
[  510.673821] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.911414] bond0: (slave eth0): Releasing backup interface
[  515.032137] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.195511] bond0: (slave eth0): Releasing backup interface
[  519.228881] bond0 (unregistering): Released all slaves