[ 2240.614324][T26541] br0: port 1(dummy0) entered blocking state
[ 2240.614630][T26541] br0: port 1(dummy0) entered disabled state
[ 2240.614912][T26541] dummy0: entered allmulticast mode
[ 2240.615877][T26541] dummy0: entered promiscuous mode
[ 2240.642568][T26542] br0: port 1(dummy0) entered blocking state
[ 2240.643109][T26542] br0: port 1(dummy0) entered forwarding state
[ 2243.038326][   T70] dummy0: left allmulticast mode
[ 2243.039362][   T70] dummy0: left promiscuous mode
[ 2243.039701][   T70] br0: port 1(dummy0) entered disabled state