[  506.440088] bond0: (slave eth0): making interface the new active one
[  506.440165] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.614407] bond0: (slave eth0): Releasing backup interface
[  510.690374] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.837404] bond0: (slave eth0): Releasing backup interface
[  514.861388] bond0 (unregistering): Released all slaves