[ 2123.478660][T26476] br0: port 1(dummy0) entered blocking state
[ 2123.478861][T26476] br0: port 1(dummy0) entered disabled state
[ 2123.479021][T26476] dummy0: entered allmulticast mode
[ 2123.479897][T26476] dummy0: entered promiscuous mode
[ 2123.507372][T26477] br0: port 1(dummy0) entered blocking state
[ 2123.507741][T26477] br0: port 1(dummy0) entered forwarding state
[ 2125.557045][   T12] dummy0: left allmulticast mode
[ 2125.558021][   T12] dummy0: left promiscuous mode
[ 2125.558263][   T12] br0: port 1(dummy0) entered disabled state