[  877.599850][T23527] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  877.602513][T23527] test-bond1: (slave test-bond0): making interface the new active one
[  877.603396][T23527] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  877.758537][T23538] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  877.931710][T23542] test-bond1: entered promiscuous mode
[  877.931891][T23542] test-bond0: entered promiscuous mode
[  878.962431][T23542] test-bond1: left promiscuous mode
[  878.962677][T23542] test-bond0: left promiscuous mode
[  880.443098][T23550] test-dummy0: entered promiscuous mode
[  882.489184][T23550] test-dummy0: left promiscuous mode
[  882.677215][T23553] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  882.682547][T23553] test-bond1 (unregistering): Released all slaves
[  882.728975][T23554] test-bond0 (unregistering): Released all slaves