[  840.146738][ T9301] bond0: (slave eth0): making interface the new active one
[  840.147526][ T9301] bond0: (slave eth0): Enslaving as an active interface with an up link
[  844.910653][ T9305] bond0: (slave eth0): Releasing backup interface
[  845.476877][ T9308] bond0: (slave eth0): Enslaving as an active interface with an up link
[  850.161631][ T8684] bond0: (slave eth0): Releasing backup interface
[  850.401185][ T8684] bond0 (unregistering): Released all slaves