[  406.997092] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  407.013869] br0: port 1(c1) entered blocking state
[  407.013938] br0: port 1(c1) entered disabled state
[  407.014015] c1: entered allmulticast mode
[  407.014096] c1: entered promiscuous mode
[  407.029902] br0: port 2(c2) entered blocking state
[  407.029974] br0: port 2(c2) entered disabled state
[  407.030050] c2: entered allmulticast mode
[  407.030129] c2: entered promiscuous mode
[  407.045901] br0: port 3(c3) entered blocking state
[  407.045975] br0: port 3(c3) entered disabled state
[  407.046052] c3: entered allmulticast mode
[  407.046132] c3: entered promiscuous mode
[  407.061855] br0: port 4(sender) entered blocking state
[  407.061927] br0: port 4(sender) entered disabled state
[  407.062006] sender: entered allmulticast mode
[  407.062090] sender: entered promiscuous mode
[  407.068137] br0: port 4(sender) entered blocking state
[  407.068178] br0: port 4(sender) entered forwarding state
[  407.068212] br0: port 3(c3) entered blocking state
[  407.068246] br0: port 3(c3) entered forwarding state
[  407.068276] br0: port 2(c2) entered blocking state
[  407.068305] br0: port 2(c2) entered forwarding state
[  407.068335] br0: port 1(c1) entered blocking state
[  407.068363] br0: port 1(c1) entered forwarding state
[  407.075500] Bridge firewalling registered
[  417.737098] br0: port 1(c1) entered disabled state
[  417.737348] c1 (unregistering): left allmulticast mode
[  417.737452] c1 (unregistering): left promiscuous mode
[  417.737564] br0: port 1(c1) entered disabled state
[  417.761110] br0: port 2(c2) entered disabled state
[  417.761315] c2 (unregistering): left allmulticast mode
[  417.761423] c2 (unregistering): left promiscuous mode
[  417.761524] br0: port 2(c2) entered disabled state
[  417.783042] sender: left allmulticast mode
[  417.783134] sender: left promiscuous mode
[  417.783198] br0: port 4(sender) entered disabled state
[  417.783369] c3: left allmulticast mode
[  417.783451] c3: left promiscuous mode
[  417.783515] br0: port 3(c3) entered disabled state