[  501.916707] bond0: (slave eth0): making interface the new active one
[  501.916781] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.067896] bond0: (slave eth0): Releasing backup interface
[  506.143230] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.297448] bond0: (slave eth0): Releasing backup interface
[  510.334436] bond0 (unregistering): Released all slaves