[  506.765596] bond0: (slave eth0): making interface the new active one
[  506.765667] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.934125] bond0: (slave eth0): Releasing backup interface
[  511.011580] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.161507] bond0: (slave eth0): Releasing backup interface
[  515.199402] bond0 (unregistering): Released all slaves