[ 2077.334005][  T393] br0: port 1(dummy0) entered blocking state
[ 2077.334219][  T393] br0: port 1(dummy0) entered disabled state
[ 2077.334395][  T393] dummy0: entered allmulticast mode
[ 2077.335919][  T393] dummy0: entered promiscuous mode
[ 2077.357508][  T394] br0: port 1(dummy0) entered blocking state
[ 2077.357779][  T394] br0: port 1(dummy0) entered forwarding state
[ 2079.142269][   T12] dummy0: left allmulticast mode
[ 2079.142560][   T12] dummy0: left promiscuous mode
[ 2079.142777][   T12] br0: port 1(dummy0) entered disabled state