[ 2100.816051][T11382] br0: port 1(dummy0) entered blocking state
[ 2100.816259][T11382] br0: port 1(dummy0) entered disabled state
[ 2100.816425][T11382] dummy0: entered allmulticast mode
[ 2100.817312][T11382] dummy0: entered promiscuous mode
[ 2100.841800][T11383] br0: port 1(dummy0) entered blocking state
[ 2100.842003][T11383] br0: port 1(dummy0) entered forwarding state
[ 2103.170892][   T71] dummy0: left allmulticast mode
[ 2103.171767][   T71] dummy0: left promiscuous mode
[ 2103.172065][   T71] br0: port 1(dummy0) entered disabled state