[  393.004373] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.018578] br0: port 1(c1) entered blocking state
[  393.018635] br0: port 1(c1) entered disabled state
[  393.018676] c1: entered allmulticast mode
[  393.018729] c1: entered promiscuous mode
[  393.034294] br0: port 2(c2) entered blocking state
[  393.034342] br0: port 2(c2) entered disabled state
[  393.034374] c2: entered allmulticast mode
[  393.034416] c2: entered promiscuous mode
[  393.048130] br0: port 3(c3) entered blocking state
[  393.048204] br0: port 3(c3) entered disabled state
[  393.048270] c3: entered allmulticast mode
[  393.048347] c3: entered promiscuous mode
[  393.062961] br0: port 4(sender) entered blocking state
[  393.063042] br0: port 4(sender) entered disabled state
[  393.063114] sender: entered allmulticast mode
[  393.063216] sender: entered promiscuous mode
[  393.068548] br0: port 4(sender) entered blocking state
[  393.068596] br0: port 4(sender) entered forwarding state
[  393.068627] br0: port 3(c3) entered blocking state
[  393.068655] br0: port 3(c3) entered forwarding state
[  393.068693] br0: port 2(c2) entered blocking state
[  393.068721] br0: port 2(c2) entered forwarding state
[  393.068747] br0: port 1(c1) entered blocking state
[  393.068774] br0: port 1(c1) entered forwarding state
[  393.076847] Bridge firewalling registered
[  403.699221] br0: port 1(c1) entered disabled state
[  403.699516] c1 (unregistering): left allmulticast mode
[  403.699581] c1 (unregistering): left promiscuous mode
[  403.699647] br0: port 1(c1) entered disabled state
[  403.720216] br0: port 2(c2) entered disabled state
[  403.720408] c2 (unregistering): left allmulticast mode
[  403.720505] c2 (unregistering): left promiscuous mode
[  403.720569] br0: port 2(c2) entered disabled state
[  403.743190] br0: port 4(sender) entered disabled state
[  403.743319] br0: port 3(c3) entered disabled state
[  403.743500] sender (unregistering): left allmulticast mode
[  403.743577] sender (unregistering): left promiscuous mode
[  403.743680] br0: port 4(sender) entered disabled state
[  403.743942] c3 (unregistering): left allmulticast mode
[  403.744015] c3 (unregistering): left promiscuous mode
[  403.744081] br0: port 3(c3) entered disabled state