[  403.997144] ns3br1: port 1(ns3eth1) entered blocking state
[  403.997232] ns3br1: port 1(ns3eth1) entered disabled state
[  403.997306] ns3eth1: entered allmulticast mode
[  403.997402] ns3eth1: entered promiscuous mode
[  403.997510] ns3br1: port 1(ns3eth1) entered blocking state
[  403.997573] ns3br1: port 1(ns3eth1) entered forwarding state
[  404.000528] ns3br1: port 2(ns3eth2) entered blocking state
[  404.000560] ns3br1: port 2(ns3eth2) entered disabled state
[  404.000590] ns3eth2: entered allmulticast mode
[  404.000641] ns3eth2: entered promiscuous mode
[  404.003592] ns3br1: port 3(ns3eth3) entered blocking state
[  404.003663] ns3br1: port 3(ns3eth3) entered disabled state
[  404.003737] ns3eth3: entered allmulticast mode
[  404.003822] ns3eth3: entered promiscuous mode
[  404.006787] ns3br1: port 2(ns3eth2) entered blocking state
[  404.006830] ns3br1: port 2(ns3eth2) entered forwarding state
[  404.009776] ns3br1: port 3(ns3eth3) entered blocking state
[  404.009841] ns3br1: port 3(ns3eth3) entered forwarding state
[  404.043763] ns1eth1: entered promiscuous mode
[  404.043847] ns1eth2: entered promiscuous mode
[  404.046863] ns2eth1: entered promiscuous mode
[  404.046912] ns2eth2: entered promiscuous mode
[  404.046947] ns2eth3: entered promiscuous mode
[  415.871752] ns1eth1: left promiscuous mode
[  415.871853] ns1eth2: left promiscuous mode
[  415.872128] ns2eth2 (unregistering): left promiscuous mode
[  415.872292] ns2eth1 (unregistering): left promiscuous mode
[  415.893713] ns3eth3: left allmulticast mode
[  415.893748] ns3eth3: left promiscuous mode
[  415.893788] ns3br1: port 3(ns3eth3) entered disabled state
[  415.893858] ns3eth2: left allmulticast mode
[  415.893908] ns3eth2: left promiscuous mode
[  415.893942] ns3br1: port 2(ns3eth2) entered disabled state
[  415.894036] ns3eth1: left allmulticast mode
[  415.894067] ns3eth1: left promiscuous mode
[  415.894096] ns3br1: port 1(ns3eth1) entered disabled state
[  415.914091] ns2eth3: left promiscuous mode