[  971.931906][T21607] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  971.940103][T21607] test-bond1: (slave test-bond0): making interface the new active one
[  971.940477][T21607] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  972.148237][T21613] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  972.234090][T21616] test-bond1: entered promiscuous mode
[  972.234249][T21616] test-bond0: entered promiscuous mode
[  973.253405][T21616] test-bond1: left promiscuous mode
[  973.253640][T21616] test-bond0: left promiscuous mode
[  974.991426][T21618] test-dummy0: entered promiscuous mode
[  977.035211][T21618] test-dummy0: left promiscuous mode
[  977.239348][T21621] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  977.251151][T21621] test-bond1 (unregistering): Released all slaves
[  977.316507][T21622] test-bond0 (unregistering): Released all slaves