[  506.737313] bond0: (slave eth0): making interface the new active one
[  506.737413] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.929508] bond0: (slave eth0): Releasing backup interface
[  511.003530] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.161264] bond0: (slave eth0): Releasing backup interface
[  515.192194] bond0 (unregistering): Released all slaves