[   27.921171] br0: port 1(c1) entered blocking state
[   27.921235] br0: port 1(c1) entered disabled state
[   27.921289] c1: entered allmulticast mode
[   27.921355] c1: entered promiscuous mode
[   27.967393] br0: port 2(c2) entered blocking state
[   27.967454] br0: port 2(c2) entered disabled state
[   27.967509] c2: entered allmulticast mode
[   27.967587] c2: entered promiscuous mode
[   28.015154] br0: port 3(c3) entered blocking state
[   28.015238] br0: port 3(c3) entered disabled state
[   28.015310] c3: entered allmulticast mode
[   28.015387] c3: entered promiscuous mode
[   28.062623] br0: port 4(sender) entered blocking state
[   28.062685] br0: port 4(sender) entered disabled state
[   28.062738] sender: entered allmulticast mode
[   28.062820] sender: entered promiscuous mode
[   28.081249] br0: port 4(sender) entered blocking state
[   28.081316] br0: port 4(sender) entered forwarding state
[   28.081369] br0: port 3(c3) entered blocking state
[   28.081415] br0: port 3(c3) entered forwarding state
[   28.081464] br0: port 2(c2) entered blocking state
[   28.081507] br0: port 2(c2) entered forwarding state
[   28.081562] br0: port 1(c1) entered blocking state
[   28.081607] br0: port 1(c1) entered forwarding state
[   39.002691] br0: port 1(c1) entered disabled state
[   39.002919] c1 (unregistering): left allmulticast mode
[   39.002969] c1 (unregistering): left promiscuous mode
[   39.003007] br0: port 1(c1) entered disabled state
[   39.043651] br0: port 2(c2) entered disabled state
[   39.043878] c2 (unregistering): left allmulticast mode
[   39.043925] c2 (unregistering): left promiscuous mode
[   39.043965] br0: port 2(c2) entered disabled state
[   39.078654] br0: port 3(c3) entered disabled state
[   39.078875] c3 (unregistering): left allmulticast mode
[   39.078918] c3 (unregistering): left promiscuous mode
[   39.078961] br0: port 3(c3) entered disabled state
[   39.109633] br0: port 4(sender) entered disabled state
[   39.109845] sender (unregistering): left allmulticast mode
[   39.109888] sender (unregistering): left promiscuous mode
[   39.109923] br0: port 4(sender) entered disabled state