[  746.353572] br0: port 1(c1) entered blocking state
[  746.353658] br0: port 1(c1) entered disabled state
[  746.353734] c1: entered allmulticast mode
[  746.353835] c1: entered promiscuous mode
[  746.407729] br0: port 2(c2) entered blocking state
[  746.407845] br0: port 2(c2) entered disabled state
[  746.407914] c2: entered allmulticast mode
[  746.408001] c2: entered promiscuous mode
[  746.460295] br0: port 3(c3) entered blocking state
[  746.460352] br0: port 3(c3) entered disabled state
[  746.460404] c3: entered allmulticast mode
[  746.460487] c3: entered promiscuous mode
[  746.510294] br0: port 4(sender) entered blocking state
[  746.510389] br0: port 4(sender) entered disabled state
[  746.510471] sender: entered allmulticast mode
[  746.510575] sender: entered promiscuous mode
[  746.532020] br0: port 4(sender) entered blocking state
[  746.532125] br0: port 4(sender) entered forwarding state
[  746.532207] br0: port 3(c3) entered blocking state
[  746.532277] br0: port 3(c3) entered forwarding state
[  746.532348] br0: port 2(c2) entered blocking state
[  746.532416] br0: port 2(c2) entered forwarding state
[  746.532491] br0: port 1(c1) entered blocking state
[  746.532556] br0: port 1(c1) entered forwarding state
[  757.253433] br0: port 1(c1) entered disabled state
[  757.253726] c1 (unregistering): left allmulticast mode
[  757.253784] c1 (unregistering): left promiscuous mode
[  757.253854] br0: port 1(c1) entered disabled state
[  757.296449] br0: port 2(c2) entered disabled state
[  757.296798] c2 (unregistering): left allmulticast mode
[  757.296877] c2 (unregistering): left promiscuous mode
[  757.296940] br0: port 2(c2) entered disabled state
[  757.334413] br0: port 3(c3) entered disabled state
[  757.334774] c3 (unregistering): left allmulticast mode
[  757.334842] c3 (unregistering): left promiscuous mode
[  757.334898] br0: port 3(c3) entered disabled state
[  757.366446] br0: port 4(sender) entered disabled state
[  757.366733] sender (unregistering): left allmulticast mode
[  757.366781] sender (unregistering): left promiscuous mode
[  757.366822] br0: port 4(sender) entered disabled state