[ 2167.740927][T24688] br0: port 1(dummy0) entered blocking state
[ 2167.741252][T24688] br0: port 1(dummy0) entered disabled state
[ 2167.741527][T24688] dummy0: entered allmulticast mode
[ 2167.742685][T24688] dummy0: entered promiscuous mode
[ 2167.777828][T24689] br0: port 1(dummy0) entered blocking state
[ 2167.778768][T24689] br0: port 1(dummy0) entered forwarding state
[ 2170.310054][   T12] dummy0: left allmulticast mode
[ 2170.310872][   T12] dummy0: left promiscuous mode
[ 2170.311225][   T12] br0: port 1(dummy0) entered disabled state