[  396.475039] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  396.489893] br0: port 1(c1) entered blocking state
[  396.489940] br0: port 1(c1) entered disabled state
[  396.489970] c1: entered allmulticast mode
[  396.490013] c1: entered promiscuous mode
[  396.502240] br0: port 2(c2) entered blocking state
[  396.502285] br0: port 2(c2) entered disabled state
[  396.502318] c2: entered allmulticast mode
[  396.502356] c2: entered promiscuous mode
[  396.514509] br0: port 3(c3) entered blocking state
[  396.514583] br0: port 3(c3) entered disabled state
[  396.514647] c3: entered allmulticast mode
[  396.514721] c3: entered promiscuous mode
[  396.526990] br0: port 4(sender) entered blocking state
[  396.527037] br0: port 4(sender) entered disabled state
[  396.527073] sender: entered allmulticast mode
[  396.527121] sender: entered promiscuous mode
[  396.531879] br0: port 4(sender) entered blocking state
[  396.531944] br0: port 4(sender) entered forwarding state
[  396.532012] br0: port 3(c3) entered blocking state
[  396.532075] br0: port 3(c3) entered forwarding state
[  396.532141] br0: port 2(c2) entered blocking state
[  396.532204] br0: port 2(c2) entered forwarding state
[  396.532280] br0: port 1(c1) entered blocking state
[  396.532343] br0: port 1(c1) entered forwarding state
[  396.539092] Bridge firewalling registered
[  407.197600] br0: port 1(c1) entered disabled state
[  407.197852] c1 (unregistering): left allmulticast mode
[  407.197894] c1 (unregistering): left promiscuous mode
[  407.197927] br0: port 1(c1) entered disabled state
[  407.222466] br0: port 2(c2) entered disabled state
[  407.222835] c2 (unregistering): left allmulticast mode
[  407.222911] c2 (unregistering): left promiscuous mode
[  407.222946] br0: port 2(c2) entered disabled state
[  407.249357] br0: port 4(sender) entered disabled state
[  407.249430] br0: port 3(c3) entered disabled state
[  407.249673] sender (unregistering): left allmulticast mode
[  407.249737] sender (unregistering): left promiscuous mode
[  407.249771] br0: port 4(sender) entered disabled state
[  407.250217] c3 (unregistering): left allmulticast mode
[  407.250295] c3 (unregistering): left promiscuous mode
[  407.250357] br0: port 3(c3) entered disabled state