[  401.445757] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  401.461462] br0: port 1(c1) entered blocking state
[  401.461504] br0: port 1(c1) entered disabled state
[  401.461533] c1: entered allmulticast mode
[  401.461584] c1: entered promiscuous mode
[  401.476094] br0: port 2(c2) entered blocking state
[  401.476126] br0: port 2(c2) entered disabled state
[  401.476158] c2: entered allmulticast mode
[  401.476209] c2: entered promiscuous mode
[  401.489815] br0: port 3(c3) entered blocking state
[  401.489855] br0: port 3(c3) entered disabled state
[  401.489882] c3: entered allmulticast mode
[  401.489925] c3: entered promiscuous mode
[  401.503681] br0: port 4(sender) entered blocking state
[  401.503716] br0: port 4(sender) entered disabled state
[  401.503748] sender: entered allmulticast mode
[  401.503796] sender: entered promiscuous mode
[  401.509086] br0: port 4(sender) entered blocking state
[  401.509119] br0: port 4(sender) entered forwarding state
[  401.509147] br0: port 3(c3) entered blocking state
[  401.509173] br0: port 3(c3) entered forwarding state
[  401.509200] br0: port 2(c2) entered blocking state
[  401.509226] br0: port 2(c2) entered forwarding state
[  401.509253] br0: port 1(c1) entered blocking state
[  401.509278] br0: port 1(c1) entered forwarding state
[  401.516955] Bridge firewalling registered
[  412.147713] br0: port 1(c1) entered disabled state
[  412.147977] c1 (unregistering): left allmulticast mode
[  412.148012] c1 (unregistering): left promiscuous mode
[  412.148048] br0: port 1(c1) entered disabled state
[  412.174693] br0: port 2(c2) entered disabled state
[  412.174886] c2 (unregistering): left allmulticast mode
[  412.174922] c2 (unregistering): left promiscuous mode
[  412.174954] br0: port 2(c2) entered disabled state
[  412.204691] br0: port 4(sender) entered disabled state
[  412.204764] br0: port 3(c3) entered disabled state
[  412.204893] sender (unregistering): left allmulticast mode
[  412.204927] sender (unregistering): left promiscuous mode
[  412.204953] br0: port 4(sender) entered disabled state
[  412.205142] c3 (unregistering): left allmulticast mode
[  412.205171] c3 (unregistering): left promiscuous mode
[  412.205205] br0: port 3(c3) entered disabled state