[  770.312526][ T8493] bond0: (slave eth0): making interface the new active one
[  770.313199][ T8493] bond0: (slave eth0): Enslaving as an active interface with an up link
[  775.023893][ T8497] bond0: (slave eth0): Releasing backup interface
[  775.513277][ T8500] bond0: (slave eth0): Enslaving as an active interface with an up link
[  780.125924][ T5505] bond0: (slave eth0): Releasing backup interface
[  780.442686][ T5505] bond0 (unregistering): Released all slaves