[ 2039.384983][T12358] br0: port 1(dummy0) entered blocking state
[ 2039.385161][T12358] br0: port 1(dummy0) entered disabled state
[ 2039.385322][T12358] dummy0: entered allmulticast mode
[ 2039.386923][T12358] dummy0: entered promiscuous mode
[ 2039.421324][T12359] br0: port 1(dummy0) entered blocking state
[ 2039.421595][T12359] br0: port 1(dummy0) entered forwarding state
[ 2041.687590][   T12] dummy0: left allmulticast mode
[ 2041.688555][   T12] dummy0: left promiscuous mode
[ 2041.688877][   T12] br0: port 1(dummy0) entered disabled state