python3: Round time() return value to microseconds
python3: Round time() return value to microseconds

Signed-off-by: IWAMOTO Toshihiro <8e41ae29694291a01b8efca6b4a0005a87ddb93e@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

takahashiminoru/ryu,zangree/ryu,sivaramakrishnansr/ryu,alanquillin/ryu,TakeshiTseng/ryu,darjus-amzn/ryu,osrg/ryu,lsqtongxin/ryu,zangree/ryu,TakeshiTseng/ryu,darjus-amzn/ryu,StephenKing/ryu,StephenKing/ryu,osrg/ryu,fkakuma/ryu,gareging/SDN_Framework,zyq001/ryu,alanquillin/ryu,Zouyiran/ryu,diogommartins/ryu,sivaramakrishnansr/ryu,shinpeimuraoka/ryu,fujita/ryu,darjus-amzn/ryu,darjus-amzn/ryu,osrg/ryu,diogommartins/ryu,Tejas-Subramanya/RYU_MEC,ttsubo/ryu,TakeshiTseng/ryu,sivaramakrishnansr/ryu,Zouyiran/ryu,TakeshiTseng/ryu,alanquillin/ryu,StephenKing/ryu,iwaseyusuke/ryu,Tejas-Subramanya/RYU_MEC,fkakuma/ryu,diogommartins/ryu,ttsubo/ryu,hisaharu/ryu,fujita/ryu,OpenState-SDN/ryu,OpenState-SDN/ryu,ttsubo/ryu,takahashiminoru/ryu,pichuang/ryu,alanquillin/ryu,lagopus/ryu-lagopus-ext,zyq001/ryu,habibiefaried/ryu,John-Lin/ryu,fujita/ryu,fkakuma/ryu,elahejalalpour/ELRyu,lsqtongxin/ryu,Zouyiran/ryu,OpenState-SDN/ryu,takahashiminoru/ryu,fujita/ryu,lsqtongxin/ryu,takahashiminoru/ryu,pichuang/ryu,Tejas-Subramanya/RYU_MEC,lsqtongxin/ryu,OpenState-SDN/ryu,OpenState-SDN/ryu,pichuang/ryu,gareging/SDN_Framework,alanquillin/ryu,darjus-amzn/ryu,gareging/SDN_Framework,hisaharu/ryu,John-Lin/ryu,elahejalalpour/ELRyu,shinpeimuraoka/ryu,gareging/SDN_Framework,habibiefaried/ryu,sivaramakrishnansr/ryu,fkakuma/ryu,zyq001/ryu,iwaseyusuke/ryu,zangree/ryu,osrg/ryu,lagopus/ryu-lagopus-ext,zangree/ryu,hisaharu/ryu,ttsubo/ryu,StephenKing/ryu,lsqtongxin/ryu,Zouyiran/ryu,sivaramakrishnansr/ryu,elahejalalpour/ELRyu,zangree/ryu,hisaharu/ryu,hisaharu/ryu,diogommartins/ryu,fujita/ryu,John-Lin/ryu,Zouyiran/ryu,elahejalalpour/ELRyu,Tejas-Subramanya/RYU_MEC,zyq001/ryu,diogommartins/ryu,iwaseyusuke/ryu,zyq001/ryu,StephenKing/ryu,osrg/ryu,iwaseyusuke/ryu,lagopus/ryu-lagopus-ext,iwaseyusuke/ryu,elahejalalpour/ELRyu,gareging/SDN_Framework,lagopus/ryu-lagopus-ext,pichuang/ryu,ttsubo/ryu,habibiefaried/ryu,John-Lin/ryu,TakeshiTseng/ryu,fkakuma/ryu,shinpeimuraoka/ryu,shinpeimuraoka/ryu,Tejas-Subramanya/RYU_MEC,habibiefaried/ryu,habibiefaried/ryu,pichuang/ryu,lagopus/ryu-lagopus-ext,shinpeimuraoka/ryu,John-Lin/ryu,takahashiminoru/ryu