[ 2049.569411][T24356] br0: port 1(dummy0) entered blocking state
[ 2049.569652][T24356] br0: port 1(dummy0) entered disabled state
[ 2049.569886][T24356] dummy0: entered allmulticast mode
[ 2049.570801][T24356] dummy0: entered promiscuous mode
[ 2049.594395][T24357] br0: port 1(dummy0) entered blocking state
[ 2049.594586][T24357] br0: port 1(dummy0) entered forwarding state
[ 2051.626376][   T68] dummy0: left allmulticast mode
[ 2051.626597][   T68] dummy0: left promiscuous mode
[ 2051.626845][   T68] br0: port 1(dummy0) entered disabled state