[  450.422170] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  450.439512] br0: port 1(c1) entered blocking state
[  450.439547] br0: port 1(c1) entered disabled state
[  450.439576] c1: entered allmulticast mode
[  450.439625] c1: entered promiscuous mode
[  450.455839] br0: port 2(c2) entered blocking state
[  450.455875] br0: port 2(c2) entered disabled state
[  450.455913] c2: entered allmulticast mode
[  450.455956] c2: entered promiscuous mode
[  450.472337] br0: port 3(c3) entered blocking state
[  450.472374] br0: port 3(c3) entered disabled state
[  450.472411] c3: entered allmulticast mode
[  450.472462] c3: entered promiscuous mode
[  450.488585] br0: port 4(sender) entered blocking state
[  450.488622] br0: port 4(sender) entered disabled state
[  450.488656] sender: entered allmulticast mode
[  450.488714] sender: entered promiscuous mode
[  450.495010] br0: port 4(sender) entered blocking state
[  450.495084] br0: port 4(sender) entered forwarding state
[  450.495160] br0: port 3(c3) entered blocking state
[  450.495238] br0: port 3(c3) entered forwarding state
[  450.495315] br0: port 2(c2) entered blocking state
[  450.495386] br0: port 2(c2) entered forwarding state
[  450.495460] br0: port 1(c1) entered blocking state
[  450.495529] br0: port 1(c1) entered forwarding state
[  450.502746] Bridge firewalling registered
[  461.139680] br0: port 1(c1) entered disabled state
[  461.139899] c1 (unregistering): left allmulticast mode
[  461.139938] c1 (unregistering): left promiscuous mode
[  461.139973] br0: port 1(c1) entered disabled state
[  461.156296] br0: port 2(c2) entered disabled state
[  461.156499] c2 (unregistering): left allmulticast mode
[  461.156533] c2 (unregistering): left promiscuous mode
[  461.156565] br0: port 2(c2) entered disabled state
[  461.171292] br0: port 3(c3) entered disabled state
[  461.171489] c3 (unregistering): left allmulticast mode
[  461.171521] c3 (unregistering): left promiscuous mode
[  461.171549] br0: port 3(c3) entered disabled state
[  461.190264] sender: left allmulticast mode
[  461.190295] sender: left promiscuous mode
[  461.190343] br0: port 4(sender) entered disabled state