[  312.029537] ns3br1: port 1(ns3eth1) entered blocking state
[  312.029592] ns3br1: port 1(ns3eth1) entered disabled state
[  312.029623] ns3eth1: entered allmulticast mode
[  312.029695] ns3eth1: entered promiscuous mode
[  312.029753] ns3br1: port 1(ns3eth1) entered blocking state
[  312.029788] ns3br1: port 1(ns3eth1) entered forwarding state
[  312.032367] ns3br1: port 2(ns3eth2) entered blocking state
[  312.032401] ns3br1: port 2(ns3eth2) entered disabled state
[  312.032430] ns3eth2: entered allmulticast mode
[  312.032479] ns3eth2: entered promiscuous mode
[  312.035048] ns3br1: port 3(ns3eth3) entered blocking state
[  312.035083] ns3br1: port 3(ns3eth3) entered disabled state
[  312.035112] ns3eth3: entered allmulticast mode
[  312.035156] ns3eth3: entered promiscuous mode
[  312.037754] ns3br1: port 2(ns3eth2) entered blocking state
[  312.037790] ns3br1: port 2(ns3eth2) entered forwarding state
[  312.040267] ns3br1: port 3(ns3eth3) entered blocking state
[  312.040302] ns3br1: port 3(ns3eth3) entered forwarding state
[  312.069754] ns1eth1: entered promiscuous mode
[  312.069811] ns1eth2: entered promiscuous mode
[  312.072357] ns2eth1: entered promiscuous mode
[  312.072403] ns2eth2: entered promiscuous mode
[  312.072441] ns2eth3: entered promiscuous mode
[  323.938835] ns1eth1: left promiscuous mode
[  323.938953] ns1eth2: left promiscuous mode
[  323.939287] ns2eth2 (unregistering): left promiscuous mode
[  323.939451] ns2eth1 (unregistering): left promiscuous mode
[  323.956840] ns3eth3: left allmulticast mode
[  323.956877] ns3eth3: left promiscuous mode
[  323.956907] ns3br1: port 3(ns3eth3) entered disabled state
[  323.957027] ns3eth2: left allmulticast mode
[  323.957097] ns3eth2: left promiscuous mode
[  323.957136] ns3br1: port 2(ns3eth2) entered disabled state
[  323.957238] ns3eth1: left allmulticast mode
[  323.957270] ns3eth1: left promiscuous mode
[  323.957297] ns3br1: port 1(ns3eth1) entered disabled state
[  323.973832] ns2eth3: left promiscuous mode