[ 2188.125388][T29992] br0: port 1(dummy0) entered blocking state
[ 2188.125588][T29992] br0: port 1(dummy0) entered disabled state
[ 2188.125760][T29992] dummy0: entered allmulticast mode
[ 2188.127853][T29992] dummy0: entered promiscuous mode
[ 2188.147316][T29993] br0: port 1(dummy0) entered blocking state
[ 2188.147652][T29993] br0: port 1(dummy0) entered forwarding state
[ 2190.186607][T26050] dummy0: left allmulticast mode
[ 2190.186959][T26050] dummy0: left promiscuous mode
[ 2190.187208][T26050] br0: port 1(dummy0) entered disabled state