[  403.996798] ns3br1: port 1(ns3eth1) entered blocking state
[  403.996887] ns3br1: port 1(ns3eth1) entered disabled state
[  403.996963] ns3eth1: entered allmulticast mode
[  403.997058] ns3eth1: entered promiscuous mode
[  403.997161] ns3br1: port 1(ns3eth1) entered blocking state
[  403.997225] ns3br1: port 1(ns3eth1) entered forwarding state
[  404.000171] ns3br1: port 2(ns3eth2) entered blocking state
[  404.000237] ns3br1: port 2(ns3eth2) entered disabled state
[  404.000305] ns3eth2: entered allmulticast mode
[  404.000390] ns3eth2: entered promiscuous mode
[  404.003309] ns3br1: port 3(ns3eth3) entered blocking state
[  404.003342] ns3br1: port 3(ns3eth3) entered disabled state
[  404.003382] ns3eth3: entered allmulticast mode
[  404.003437] ns3eth3: entered promiscuous mode
[  404.006326] ns3br1: port 2(ns3eth2) entered blocking state
[  404.006391] ns3br1: port 2(ns3eth2) entered forwarding state
[  404.009304] ns3br1: port 3(ns3eth3) entered blocking state
[  404.009332] ns3br1: port 3(ns3eth3) entered forwarding state
[  404.043521] ns1eth1: entered promiscuous mode
[  404.043576] ns1eth2: entered promiscuous mode
[  404.046614] ns2eth1: entered promiscuous mode
[  404.046712] ns2eth2: entered promiscuous mode
[  404.046791] ns2eth3: entered promiscuous mode
[  415.869806] ns1eth1: left promiscuous mode
[  415.869933] ns1eth2: left promiscuous mode
[  415.870343] ns2eth2 (unregistering): left promiscuous mode
[  415.870526] ns2eth1 (unregistering): left promiscuous mode
[  415.896762] ns3eth3: left allmulticast mode
[  415.896830] ns3eth3: left promiscuous mode
[  415.896862] ns3br1: port 3(ns3eth3) entered disabled state
[  415.896974] ns3eth2: left allmulticast mode
[  415.897007] ns3eth2: left promiscuous mode
[  415.897035] ns3br1: port 2(ns3eth2) entered disabled state
[  415.897111] ns3eth1: left allmulticast mode
[  415.897186] ns3eth1: left promiscuous mode
[  415.897219] ns3br1: port 1(ns3eth1) entered disabled state
[  415.911763] ns2eth3: left promiscuous mode