[  424.058799] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  424.074169] br0: port 1(c1) entered blocking state
[  424.074207] br0: port 1(c1) entered disabled state
[  424.074241] c1: entered allmulticast mode
[  424.074287] c1: entered promiscuous mode
[  424.088192] br0: port 2(c2) entered blocking state
[  424.088270] br0: port 2(c2) entered disabled state
[  424.088339] c2: entered allmulticast mode
[  424.088416] c2: entered promiscuous mode
[  424.102250] br0: port 3(c3) entered blocking state
[  424.102318] br0: port 3(c3) entered disabled state
[  424.102387] c3: entered allmulticast mode
[  424.102469] c3: entered promiscuous mode
[  424.116422] br0: port 4(sender) entered blocking state
[  424.116494] br0: port 4(sender) entered disabled state
[  424.116561] sender: entered allmulticast mode
[  424.116652] sender: entered promiscuous mode
[  424.122143] br0: port 4(sender) entered blocking state
[  424.122178] br0: port 4(sender) entered forwarding state
[  424.122214] br0: port 3(c3) entered blocking state
[  424.122244] br0: port 3(c3) entered forwarding state
[  424.122273] br0: port 2(c2) entered blocking state
[  424.122302] br0: port 2(c2) entered forwarding state
[  424.122330] br0: port 1(c1) entered blocking state
[  424.122359] br0: port 1(c1) entered forwarding state
[  424.128820] Bridge firewalling registered
[  434.764703] br0: port 1(c1) entered disabled state
[  434.764869] c1 (unregistering): left allmulticast mode
[  434.764904] c1 (unregistering): left promiscuous mode
[  434.764932] br0: port 1(c1) entered disabled state
[  434.786680] br0: port 2(c2) entered disabled state
[  434.786823] c2 (unregistering): left allmulticast mode
[  434.786857] c2 (unregistering): left promiscuous mode
[  434.786884] br0: port 2(c2) entered disabled state
[  434.805672] sender: left allmulticast mode
[  434.805704] sender: left promiscuous mode
[  434.805733] br0: port 4(sender) entered disabled state
[  434.805863] c3: left allmulticast mode
[  434.805887] c3: left promiscuous mode
[  434.805910] br0: port 3(c3) entered disabled state