[ 2073.491414][T26520] br0: port 1(dummy0) entered blocking state
[ 2073.492256][T26520] br0: port 1(dummy0) entered disabled state
[ 2073.492433][T26520] dummy0: entered allmulticast mode
[ 2073.493469][T26520] dummy0: entered promiscuous mode
[ 2073.525343][T26521] br0: port 1(dummy0) entered blocking state
[ 2073.525664][T26521] br0: port 1(dummy0) entered forwarding state
[ 2075.346609][   T12] dummy0: left allmulticast mode
[ 2075.346911][   T12] dummy0: left promiscuous mode
[ 2075.347127][   T12] br0: port 1(dummy0) entered disabled state