[  851.446795][T21647] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  851.448685][T21647] test-bond1: (slave test-bond0): making interface the new active one
[  851.449167][T21647] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  851.598608][T21659] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  851.797780][T21662] test-bond1: entered promiscuous mode
[  851.797999][T21662] test-bond0: entered promiscuous mode
[  852.828333][T21662] test-bond1: left promiscuous mode
[  852.828591][T21662] test-bond0: left promiscuous mode
[  854.352186][T21670] test-dummy0: entered promiscuous mode
[  856.392056][T21670] test-dummy0: left promiscuous mode
[  856.562299][T21673] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  856.570260][T21673] test-bond1 (unregistering): Released all slaves
[  856.614132][T21674] test-bond0 (unregistering): Released all slaves