[  836.334004] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.334111] test-bond1: (slave test-bond0): making interface the new active one
[  836.334193] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.355143] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.365299] test-bond1: entered promiscuous mode
[  836.365368] test-bond0: entered promiscuous mode
[  837.367588] test-bond1: left promiscuous mode
[  837.367700] test-bond0: left promiscuous mode
[  838.026778] test-dummy0: entered promiscuous mode
[  840.047876] test-dummy0: left promiscuous mode
[  840.169173] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.175321] test-bond1 (unregistering): Released all slaves
[  840.184169] test-bond0 (unregistering): Released all slaves