[  926.793121][T21807] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  926.795181][T21807] test-bond1: (slave test-bond0): making interface the new active one
[  926.795634][T21807] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  926.951224][T21812] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  927.009019][T21815] test-bond1: entered promiscuous mode
[  927.009209][T21815] test-bond0: entered promiscuous mode
[  928.020193][T21815] test-bond1: left promiscuous mode
[  928.020406][T21815] test-bond0: left promiscuous mode
[  929.479707][T21817] test-dummy0: entered promiscuous mode
[  931.517286][T21817] test-dummy0: left promiscuous mode
[  931.692097][T21820] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  931.699508][T21820] test-bond1 (unregistering): Released all slaves
[  931.745689][T21821] test-bond0 (unregistering): Released all slaves