[  752.032644] br0: port 1(c1) entered blocking state
[  752.032713] br0: port 1(c1) entered disabled state
[  752.032778] c1: entered allmulticast mode
[  752.032856] c1: entered promiscuous mode
[  752.092208] br0: port 2(c2) entered blocking state
[  752.092331] br0: port 2(c2) entered disabled state
[  752.092423] c2: entered allmulticast mode
[  752.092535] c2: entered promiscuous mode
[  752.148821] br0: port 3(c3) entered blocking state
[  752.148915] br0: port 3(c3) entered disabled state
[  752.148999] c3: entered allmulticast mode
[  752.149091] c3: entered promiscuous mode
[  752.202924] br0: port 4(sender) entered blocking state
[  752.203028] br0: port 4(sender) entered disabled state
[  752.203104] sender: entered allmulticast mode
[  752.203215] sender: entered promiscuous mode
[  752.225859] br0: port 4(sender) entered blocking state
[  752.225928] br0: port 4(sender) entered forwarding state
[  752.225973] br0: port 3(c3) entered blocking state
[  752.226014] br0: port 3(c3) entered forwarding state
[  752.226055] br0: port 2(c2) entered blocking state
[  752.226099] br0: port 2(c2) entered forwarding state
[  752.226146] br0: port 1(c1) entered blocking state
[  752.226192] br0: port 1(c1) entered forwarding state
[  762.993757] br0: port 1(c1) entered disabled state
[  762.994086] c1 (unregistering): left allmulticast mode
[  762.994170] c1 (unregistering): left promiscuous mode
[  762.994236] br0: port 1(c1) entered disabled state
[  763.058802] br0: port 2(c2) entered disabled state
[  763.059131] c2 (unregistering): left allmulticast mode
[  763.059226] c2 (unregistering): left promiscuous mode
[  763.059333] br0: port 2(c2) entered disabled state
[  763.100784] br0: port 3(c3) entered disabled state
[  763.101117] c3 (unregistering): left allmulticast mode
[  763.101201] c3 (unregistering): left promiscuous mode
[  763.101309] br0: port 3(c3) entered disabled state
[  763.146775] br0: port 4(sender) entered disabled state
[  763.147116] sender (unregistering): left allmulticast mode
[  763.147165] sender (unregistering): left promiscuous mode
[  763.147249] br0: port 4(sender) entered disabled state