[ 2072.704964][ T1426] br0: port 1(dummy0) entered blocking state
[ 2072.705175][ T1426] br0: port 1(dummy0) entered disabled state
[ 2072.705340][ T1426] dummy0: entered allmulticast mode
[ 2072.706188][ T1426] dummy0: entered promiscuous mode
[ 2072.734312][ T1427] br0: port 1(dummy0) entered blocking state
[ 2072.734526][ T1427] br0: port 1(dummy0) entered forwarding state
[ 2074.695650][   T12] dummy0: left allmulticast mode
[ 2074.696713][   T12] dummy0: left promiscuous mode
[ 2074.696956][   T12] br0: port 1(dummy0) entered disabled state