[  506.364727] bond0: (slave eth0): making interface the new active one
[  506.364815] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.551194] bond0: (slave eth0): Releasing backup interface
[  510.645129] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.838956] bond0: (slave eth0): Releasing backup interface
[  514.866775] bond0 (unregistering): Released all slaves