[  451.302839] br0: port 1(c1) entered blocking state
[  451.302943] br0: port 1(c1) entered disabled state
[  451.303015] c1: entered allmulticast mode
[  451.303108] c1: entered promiscuous mode
[  451.353565] br0: port 2(c2) entered blocking state
[  451.353635] br0: port 2(c2) entered disabled state
[  451.353705] c2: entered allmulticast mode
[  451.353789] c2: entered promiscuous mode
[  451.402617] br0: port 3(c3) entered blocking state
[  451.402716] br0: port 3(c3) entered disabled state
[  451.402787] c3: entered allmulticast mode
[  451.402879] c3: entered promiscuous mode
[  451.451377] br0: port 4(sender) entered blocking state
[  451.451432] br0: port 4(sender) entered disabled state
[  451.451485] sender: entered allmulticast mode
[  451.451560] sender: entered promiscuous mode
[  451.470175] br0: port 4(sender) entered blocking state
[  451.470238] br0: port 4(sender) entered forwarding state
[  451.470286] br0: port 3(c3) entered blocking state
[  451.470333] br0: port 3(c3) entered forwarding state
[  451.470385] br0: port 2(c2) entered blocking state
[  451.470431] br0: port 2(c2) entered forwarding state
[  451.470466] br0: port 1(c1) entered blocking state
[  451.470501] br0: port 1(c1) entered forwarding state
[  462.177432] br0: port 1(c1) entered disabled state
[  462.177690] c1 (unregistering): left allmulticast mode
[  462.177748] c1 (unregistering): left promiscuous mode
[  462.177796] br0: port 1(c1) entered disabled state
[  462.215401] br0: port 2(c2) entered disabled state
[  462.215670] c2 (unregistering): left allmulticast mode
[  462.215728] c2 (unregistering): left promiscuous mode
[  462.215779] br0: port 2(c2) entered disabled state
[  462.253354] br0: port 3(c3) entered disabled state
[  462.253590] c3 (unregistering): left allmulticast mode
[  462.253650] c3 (unregistering): left promiscuous mode
[  462.253705] br0: port 3(c3) entered disabled state
[  462.294369] br0: port 4(sender) entered disabled state
[  462.294630] sender (unregistering): left allmulticast mode
[  462.294692] sender (unregistering): left promiscuous mode
[  462.294739] br0: port 4(sender) entered disabled state