[  900.274005] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  900.274117] test-bond1: (slave test-bond0): making interface the new active one
[  900.274195] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  900.295776] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  900.306399] test-bond1: entered promiscuous mode
[  900.306471] test-bond0: entered promiscuous mode
[  901.309537] test-bond1: left promiscuous mode
[  901.309646] test-bond0: left promiscuous mode
[  901.968971] test-dummy0: entered promiscuous mode
[  903.984455] test-dummy0: left promiscuous mode
[  904.106373] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  904.117842] test-bond1 (unregistering): Released all slaves
[  904.127603] test-bond0 (unregistering): Released all slaves