[ 2212.308909][T26790] br0: port 1(dummy0) entered blocking state
[ 2212.309716][T26790] br0: port 1(dummy0) entered disabled state
[ 2212.309915][T26790] dummy0: entered allmulticast mode
[ 2212.310937][T26790] dummy0: entered promiscuous mode
[ 2212.336897][T26791] br0: port 1(dummy0) entered blocking state
[ 2212.337244][T26791] br0: port 1(dummy0) entered forwarding state
[ 2214.504753][   T68] dummy0: left allmulticast mode
[ 2214.505774][   T68] dummy0: left promiscuous mode
[ 2214.506015][   T68] br0: port 1(dummy0) entered disabled state