[ 2289.351236][T22681] br0: port 1(dummy0) entered blocking state
[ 2289.351426][T22681] br0: port 1(dummy0) entered disabled state
[ 2289.351593][T22681] dummy0: entered allmulticast mode
[ 2289.352854][T22681] dummy0: entered promiscuous mode
[ 2289.383655][T22682] br0: port 1(dummy0) entered blocking state
[ 2289.383880][T22682] br0: port 1(dummy0) entered forwarding state
[ 2291.761886][   T70] dummy0: left allmulticast mode
[ 2291.762093][   T70] dummy0: left promiscuous mode
[ 2291.762321][   T70] br0: port 1(dummy0) entered disabled state