ofa_neutron_agent: Add a comment to explain what uses this
ofa_neutron_agent: Add a comment to explain what uses this

Signed-off-by: YAMAMOTO Takashi <458bba2e4a8704776b33478100c98529b639cd9e@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

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