[  836.333794] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.333944] test-bond1: (slave test-bond0): making interface the new active one
[  836.334047] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.357142] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.368392] test-bond1: entered promiscuous mode
[  836.368437] test-bond0: entered promiscuous mode
[  837.370545] test-bond1: left promiscuous mode
[  837.370598] test-bond0: left promiscuous mode
[  838.083942] test-dummy0: entered promiscuous mode
[  840.108350] test-dummy0: left promiscuous mode
[  840.220533] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.228487] test-bond1 (unregistering): Released all slaves
[  840.241444] test-bond0 (unregistering): Released all slaves