[  506.389532] bond0: (slave eth0): making interface the new active one
[  506.389621] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.546586] bond0: (slave eth0): Releasing backup interface
[  510.616401] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.773378] bond0: (slave eth0): Releasing backup interface
[  514.808381] bond0 (unregistering): Released all slaves