[  750.507613] br0: port 1(c1) entered blocking state
[  750.507682] br0: port 1(c1) entered disabled state
[  750.507757] c1: entered allmulticast mode
[  750.507839] c1: entered promiscuous mode
[  750.568180] br0: port 2(c2) entered blocking state
[  750.568286] br0: port 2(c2) entered disabled state
[  750.568359] c2: entered allmulticast mode
[  750.568487] c2: entered promiscuous mode
[  750.627275] br0: port 3(c3) entered blocking state
[  750.627337] br0: port 3(c3) entered disabled state
[  750.627393] c3: entered allmulticast mode
[  750.627480] c3: entered promiscuous mode
[  750.689034] br0: port 4(sender) entered blocking state
[  750.689127] br0: port 4(sender) entered disabled state
[  750.689231] sender: entered allmulticast mode
[  750.689353] sender: entered promiscuous mode
[  750.713032] br0: port 4(sender) entered blocking state
[  750.713144] br0: port 4(sender) entered forwarding state
[  750.713214] br0: port 3(c3) entered blocking state
[  750.713291] br0: port 3(c3) entered forwarding state
[  750.713364] br0: port 2(c2) entered blocking state
[  750.713433] br0: port 2(c2) entered forwarding state
[  750.713512] br0: port 1(c1) entered blocking state
[  750.713571] br0: port 1(c1) entered forwarding state
[  761.464463] br0: port 1(c1) entered disabled state
[  761.465097] c1 (unregistering): left allmulticast mode
[  761.465177] c1 (unregistering): left promiscuous mode
[  761.465223] br0: port 1(c1) entered disabled state
[  761.513597] br0: port 2(c2) entered disabled state
[  761.513823] c2 (unregistering): left allmulticast mode
[  761.513872] c2 (unregistering): left promiscuous mode
[  761.513916] br0: port 2(c2) entered disabled state
[  761.565441] br0: port 3(c3) entered disabled state
[  761.565693] c3 (unregistering): left allmulticast mode
[  761.565752] c3 (unregistering): left promiscuous mode
[  761.565810] br0: port 3(c3) entered disabled state
[  761.609590] br0: port 4(sender) entered disabled state
[  761.609926] sender (unregistering): left allmulticast mode
[  761.609977] sender (unregistering): left promiscuous mode
[  761.610021] br0: port 4(sender) entered disabled state