[  355.212775] br0: port 1(dummy0) entered disabled state
[  355.561485] br0: port 1(dummy0) entered listening state
[  357.087201] br0: port 1(dummy0) entered learning state
[  357.403772] br0: port 1(dummy0) entered forwarding state
[  357.746789] br0: port 1(dummy0) entered forwarding state
[  373.624717] br0: port 1(dummy0) entered disabled state
[  373.737038] br0: port 1(dummy0) entered blocking state
[  373.738273] br0: port 1(dummy0) entered listening state
[  393.809381] br0: port 1(dummy0) entered learning state
[  414.289550] br0: port 1(dummy0) entered forwarding state
[  414.290849] br0: topology change detected, propagating
[  435.303387] br0: port 1(dummy0) entered disabled state
[  435.411003] device dummy0 left promiscuous mode
[  435.412211] br0: port 1(dummy0) entered disabled state