sw test tool: add a comment about specifying the port number support
sw test tool: add a comment about specifying the port number support

Signed-off-by: Minoru TAKAHASHI <1b2dd9db86d9aa32ea109f1bd7f72bf49e90d10b@gmail.com>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

pichuang/ryu,openvapour/ryu,haniehrajabi/ryu,ysywh/ryu,StephenKing/summerschool-2015-ryu,Zouyiran/ryu,ttsubo/ryu,gareging/SDN_Framework,takahashiminoru/ryu,gopchandani/ryu,lzppp/mylearning,pichuang/ryu,muzixing/ryu,ynkjm/ryu,yamt/ryu,ysywh/ryu,fkakuma/ryu,iwaseyusuke/ryu,Tejas-Subramanya/RYU_MEC,fujita/ryu,hisaharu/ryu,alyosha1879/ryu,ysywh/ryu,OpenState-SDN/ryu,StephenKing/summerschool-2015-ryu,osrg/ryu,habibiefaried/ryu,ttsubo/ryu,jkoelker/ryu,iwaseyusuke/ryu,muzixing/ryu,jalilm/ryu,darjus-amzn/ryu,StephenKing/summerschool-2015-ryu,habibiefaried/ryu,zangree/ryu,darjus-amzn/ryu,TakeshiTseng/ryu,fujita/ryu,gareging/SDN_Framework,fujita/ryu,haniehrajabi/ryu,ysywh/ryu,iwaseyusuke/ryu,John-Lin/ryu,elahejalalpour/ELRyu,alanquillin/ryu,muzixing/ryu,lagopus/ryu-lagopus-ext,Tesi-Luca-Davide/ryu,castroflavio/ryu,habibiefaried/ryu,openvapour/ryu,Tesi-Luca-Davide/ryu,fkakuma/ryu,lzppp/mylearning,fkakuma/ryu,fkakuma/ryu,TakeshiTseng/ryu,yamt/ryu,OpenState-SDN/ryu,ttsubo/ryu,John-Lin/ryu,hisaharu/ryu,Tejas-Subramanya/RYU_MEC,evanscottgray/ryu,zyq001/ryu,jalilm/ryu,umkcdcrg01/ryu_openflow,jazzmes/ryu,alanquillin/ryu,takahashiminoru/ryu,Zouyiran/ryu,gopchandani/ryu,iwaseyusuke/ryu,StephenKing/summerschool-2015-ryu,OpenState-SDN/ryu,pichuang/ryu,OpenState-SDN/ryu,elahejalalpour/ELRyu,sivaramakrishnansr/ryu,zyq001/ryu,alyosha1879/ryu,openvapour/ryu,ynkjm/ryu,osrg/ryu,lzppp/mylearning,gopchandani/ryu,Tesi-Luca-Davide/ryu,diogommartins/ryu,StephenKing/ryu,darjus-amzn/ryu,Tesi-Luca-Davide/ryu,alyosha1879/ryu,ynkjm/ryu,haniehrajabi/ryu,castroflavio/ryu,haniehrajabi/ryu,alanquillin/ryu,osrg/ryu,Tejas-Subramanya/RYU_MEC,Zouyiran/ryu,sivaramakrishnansr/ryu,jkoelker/ryu,zangree/ryu,Tesi-Luca-Davide/ryu,Zouyiran/ryu,lagopus/ryu-lagopus-ext,elahejalalpour/ELRyu,darjus-amzn/ryu,shinpeimuraoka/ryu,jalilm/ryu,lsqtongxin/ryu,lagopus/ryu-lagopus-ext,alanquillin/ryu,openvapour/ryu,jalilm/ryu,lsqtongxin/ryu,lsqtongxin/ryu,shinpeimuraoka/ryu,shinpeimuraoka/ryu,ttsubo/ryu,StephenKing/ryu,John-Lin/ryu,yamt/ryu,zangree/ryu,zangree/ryu,fkakuma/ryu,habibiefaried/ryu,castroflavio/ryu,diogommartins/ryu,gopchandani/ryu,OpenState-SDN/ryu,StephenKing/summerschool-2015-ryu,zyq001/ryu,lzppp/mylearning,diogommartins/ryu,ttsubo/ryu,Zouyiran/ryu,takahashiminoru/ryu,evanscottgray/ryu,Tejas-Subramanya/RYU_MEC,hisaharu/ryu,diogommartins/ryu,StephenKing/ryu,zyq001/ryu,zyq001/ryu,evanscottgray/ryu,diogommartins/ryu,gopchandani/ryu,elahejalalpour/ELRyu,zangree/ryu,jazzmes/ryu,StephenKing/ryu,lsqtongxin/ryu,alyosha1879/ryu,fujita/ryu,sivaramakrishnansr/ryu,habibiefaried/ryu,takahashiminoru/ryu,jalilm/ryu,umkcdcrg01/ryu_openflow,umkcdcrg01/ryu_openflow,TakeshiTseng/ryu,yamt/ryu,lagopus/ryu-lagopus-ext,TakeshiTseng/ryu,pichuang/ryu,gareging/SDN_Framework,takahashiminoru/ryu,lagopus/ryu-lagopus-ext,gareging/SDN_Framework,jkoelker/ryu,lsqtongxin/ryu,darjus-amzn/ryu,shinpeimuraoka/ryu,openvapour/ryu,John-Lin/ryu,umkcdcrg01/ryu_openflow,gareging/SDN_Framework,sivaramakrishnansr/ryu,muzixing/ryu,shinpeimuraoka/ryu,umkcdcrg01/ryu_openflow,ynkjm/ryu,StephenKing/ryu,haniehrajabi/ryu,ysywh/ryu,osrg/ryu,muzixing/ryu,yamt/ryu,ynkjm/ryu,hisaharu/ryu,John-Lin/ryu,hisaharu/ryu,elahejalalpour/ELRyu,sivaramakrishnansr/ryu,Tejas-Subramanya/RYU_MEC,iwaseyusuke/ryu,osrg/ryu,fujita/ryu,alanquillin/ryu,TakeshiTseng/ryu,lzppp/mylearning,jazzmes/ryu,pichuang/ryu