[  421.484797] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.499321] br0: port 1(c1) entered blocking state
[  421.499357] br0: port 1(c1) entered disabled state
[  421.499391] c1: entered allmulticast mode
[  421.499434] c1: entered promiscuous mode
[  421.513288] br0: port 2(c2) entered blocking state
[  421.513317] br0: port 2(c2) entered disabled state
[  421.513352] c2: entered allmulticast mode
[  421.513392] c2: entered promiscuous mode
[  421.527172] br0: port 3(c3) entered blocking state
[  421.527204] br0: port 3(c3) entered disabled state
[  421.527238] c3: entered allmulticast mode
[  421.527284] c3: entered promiscuous mode
[  421.541087] br0: port 4(sender) entered blocking state
[  421.541119] br0: port 4(sender) entered disabled state
[  421.541157] sender: entered allmulticast mode
[  421.541209] sender: entered promiscuous mode
[  421.546633] br0: port 4(sender) entered blocking state
[  421.546663] br0: port 4(sender) entered forwarding state
[  421.546697] br0: port 3(c3) entered blocking state
[  421.546729] br0: port 3(c3) entered forwarding state
[  421.546757] br0: port 2(c2) entered blocking state
[  421.546784] br0: port 2(c2) entered forwarding state
[  421.546812] br0: port 1(c1) entered blocking state
[  421.546833] br0: port 1(c1) entered forwarding state
[  421.553091] Bridge firewalling registered
[  432.202058] br0: port 1(c1) entered disabled state
[  432.202306] c1 (unregistering): left allmulticast mode
[  432.202369] c1 (unregistering): left promiscuous mode
[  432.202395] br0: port 1(c1) entered disabled state
[  432.227116] br0: port 3(c3) entered disabled state
[  432.227190] br0: port 2(c2) entered disabled state
[  432.227366] c3 (unregistering): left allmulticast mode
[  432.227404] c3 (unregistering): left promiscuous mode
[  432.227432] br0: port 3(c3) entered disabled state
[  432.227731] c2 (unregistering): left allmulticast mode
[  432.227767] c2 (unregistering): left promiscuous mode
[  432.227798] br0: port 2(c2) entered disabled state
[  432.254126] sender: left allmulticast mode
[  432.254187] sender: left promiscuous mode
[  432.254221] br0: port 4(sender) entered disabled state