[  402.928037] ip (20174) used greatest stack depth: 12136 bytes left
[  402.981347] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  402.996667] br0: port 1(c1) entered blocking state
[  402.996715] br0: port 1(c1) entered disabled state
[  402.996746] c1: entered allmulticast mode
[  402.996790] c1: entered promiscuous mode
[  403.010424] br0: port 2(c2) entered blocking state
[  403.010463] br0: port 2(c2) entered disabled state
[  403.010499] c2: entered allmulticast mode
[  403.010539] c2: entered promiscuous mode
[  403.024448] br0: port 3(c3) entered blocking state
[  403.024526] br0: port 3(c3) entered disabled state
[  403.024598] c3: entered allmulticast mode
[  403.024677] c3: entered promiscuous mode
[  403.038706] br0: port 4(sender) entered blocking state
[  403.038753] br0: port 4(sender) entered disabled state
[  403.038793] sender: entered allmulticast mode
[  403.038843] sender: entered promiscuous mode
[  403.044181] br0: port 4(sender) entered blocking state
[  403.044219] br0: port 4(sender) entered forwarding state
[  403.044247] br0: port 3(c3) entered blocking state
[  403.044275] br0: port 3(c3) entered forwarding state
[  403.044315] br0: port 2(c2) entered blocking state
[  403.044342] br0: port 2(c2) entered forwarding state
[  403.044376] br0: port 1(c1) entered blocking state
[  403.044404] br0: port 1(c1) entered forwarding state
[  403.051975] Bridge firewalling registered
[  413.687971] br0: port 1(c1) entered disabled state
[  413.688235] c1 (unregistering): left allmulticast mode
[  413.688311] c1 (unregistering): left promiscuous mode
[  413.688377] br0: port 1(c1) entered disabled state
[  413.712948] br0: port 2(c2) entered disabled state
[  413.713123] c2 (unregistering): left allmulticast mode
[  413.713199] c2 (unregistering): left promiscuous mode
[  413.713271] br0: port 2(c2) entered disabled state
[  413.739938] br0: port 4(sender) entered disabled state
[  413.740094] br0: port 3(c3) entered disabled state
[  413.740287] sender (unregistering): left allmulticast mode
[  413.740362] sender (unregistering): left promiscuous mode
[  413.740425] br0: port 4(sender) entered disabled state
[  413.740680] c3 (unregistering): left allmulticast mode
[  413.740755] c3 (unregistering): left promiscuous mode
[  413.740891] br0: port 3(c3) entered disabled state