[  968.247284][T21904] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  968.250753][T21904] test-bond1: (slave test-bond0): making interface the new active one
[  968.251125][T21904] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  968.384108][T21909] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  968.455442][T21912] test-bond1: entered promiscuous mode
[  968.455634][T21912] test-bond0: entered promiscuous mode
[  969.468711][T21912] test-bond1: left promiscuous mode
[  969.468919][T21912] test-bond0: left promiscuous mode
[  971.228309][T21914] test-dummy0: entered promiscuous mode
[  973.264896][T21914] test-dummy0: left promiscuous mode
[  973.459735][T21917] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  973.467436][T21917] test-bond1 (unregistering): Released all slaves
[  973.522159][T21918] test-bond0 (unregistering): Released all slaves