[ 2094.603101][T17742] br0: port 1(dummy0) entered blocking state
[ 2094.603336][T17742] br0: port 1(dummy0) entered disabled state
[ 2094.603552][T17742] dummy0: entered allmulticast mode
[ 2094.605124][T17742] dummy0: entered promiscuous mode
[ 2094.634974][T17743] br0: port 1(dummy0) entered blocking state
[ 2094.635278][T17743] br0: port 1(dummy0) entered forwarding state
[ 2096.645573][   T12] dummy0: left allmulticast mode
[ 2096.646430][   T12] dummy0: left promiscuous mode
[ 2096.646707][   T12] br0: port 1(dummy0) entered disabled state