[  506.432593] bond0: (slave eth0): making interface the new active one
[  506.432676] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.614053] bond0: (slave eth0): Releasing backup interface
[  510.705426] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.896833] bond0: (slave eth0): Releasing backup interface
[  514.922803] bond0 (unregistering): Released all slaves