[ 2206.122596][T12494] br0: port 1(dummy0) entered blocking state
[ 2206.122807][T12494] br0: port 1(dummy0) entered disabled state
[ 2206.122978][T12494] dummy0: entered allmulticast mode
[ 2206.124006][T12494] dummy0: entered promiscuous mode
[ 2206.156078][T12495] br0: port 1(dummy0) entered blocking state
[ 2206.156337][T12495] br0: port 1(dummy0) entered forwarding state
[ 2208.126443][   T12] dummy0: left allmulticast mode
[ 2208.126738][   T12] dummy0: left promiscuous mode
[ 2208.126953][   T12] br0: port 1(dummy0) entered disabled state