[ 2077.536152][T20981] br0: port 1(dummy0) entered blocking state
[ 2077.536745][T20981] br0: port 1(dummy0) entered disabled state
[ 2077.536957][T20981] dummy0: entered allmulticast mode
[ 2077.537896][T20981] dummy0: entered promiscuous mode
[ 2077.568915][T20982] br0: port 1(dummy0) entered blocking state
[ 2077.569343][T20982] br0: port 1(dummy0) entered forwarding state
[ 2079.960746][   T70] dummy0: left allmulticast mode
[ 2079.961729][   T70] dummy0: left promiscuous mode
[ 2079.962166][   T70] br0: port 1(dummy0) entered disabled state