[ 2349.369269][T29175] br0: port 1(dummy0) entered blocking state
[ 2349.370005][T29175] br0: port 1(dummy0) entered disabled state
[ 2349.370188][T29175] dummy0: entered allmulticast mode
[ 2349.371081][T29175] dummy0: entered promiscuous mode
[ 2349.406172][T29176] br0: port 1(dummy0) entered blocking state
[ 2349.406393][T29176] br0: port 1(dummy0) entered forwarding state
[ 2351.671085][   T70] dummy0: left allmulticast mode
[ 2351.671292][   T70] dummy0: left promiscuous mode
[ 2351.671545][   T70] br0: port 1(dummy0) entered disabled state