sieve: improve logging message
sieve: improve logging message

Signed-off-by: Simon Schubert <51a3d642c59e957126c8c9975e756dadd0226d4c@zurich.ibm.com>

isghe/obc-peer,bren3582/fabric,isghe/obc-peer,angrbrd/fabric,hyperledger-archives/fabric,andresgaragiola/fabric,gongsu832/fabric,popldo/fabric,itp4IBM/fabric,angrbrd/fabric,tuand27613/fabric,bburgdave/fabric,andresgaragiola/fabric,hyperledger-archives/fabric,srderson/fabric,popldo/fabric,angrbrd/fabric,gromeroar/fabric,jjjjibm/fabric,srderson/fabric,adecaro/fabric,srderson/fabric,tuand27613/fabric,hyperledger-archives/fabric,tuand27613/fabric,jjjjibm/fabric,ahuachen/fabric,gennadylaventman/fabric,bren3582/fabric,gromeroar/fabric,ariccy/fabric,binhn/obc-peer,andresgaragiola/fabric,ariccy/fabric,gromeroar/fabric,isghe/obc-peer,popldo/fabric,JonathanLevi/fabric,bburgdave/fabric,itp4IBM/fabric,murali-katipalli-dtcc/fabric,JonathanLevi/fabric,hyperledger-archives/fabric,jjjjibm/fabric,murali-katipalli-dtcc/fabric,angrbrd/fabric,adecaro/fabric,hyperledger-archives/fabric,itp4IBM/fabric,murali-katipalli-dtcc/fabric,gennadylaventman/fabric,srderson/fabric,angrbrd/fabric,bburgdave/fabric,andresgaragiola/fabric,bren3582/fabric,ariccy/fabric,gongsu832/fabric,ahuachen/fabric,ahuachen/fabric,ahuachen/fabric,openblockchain/obc-peer,srderson/fabric,andresgaragiola/fabric,tuand27613/obc-peer,openblockchain/obc-peer,openblockchain/obc-peer,gennadylaventman/fabric,binhn/obc-peer,adecaro/fabric,murali-katipalli-dtcc/fabric,popldo/fabric,hyperledger-archives/fabric,itp4IBM/fabric,murali-katipalli-dtcc/fabric,srderson/fabric,gennadylaventman/fabric,ahuachen/fabric,tuand27613/obc-peer,popldo/fabric,bburgdave/fabric,tuand27613/fabric,gongsu832/fabric,adecaro/fabric,tuand27613/fabric,JonathanLevi/fabric,bren3582/fabric,JonathanLevi/fabric,gromeroar/fabric,murali-katipalli-dtcc/fabric,gongsu832/fabric,ahuachen/fabric,adecaro/fabric,tuand27613/obc-peer,gennadylaventman/fabric,isghe/obc-peer,angrbrd/fabric,jjjjibm/fabric,ariccy/fabric,jjjjibm/fabric,ariccy/fabric,andresgaragiola/fabric,itp4IBM/fabric,gennadylaventman/fabric,bren3582/fabric,ariccy/fabric,itp4IBM/fabric,bren3582/fabric,murali-katipalli-dtcc/fabric,angrbrd/fabric,ahuachen/fabric,tuand27613/fabric,adecaro/fabric,JonathanLevi/fabric,popldo/fabric,jjjjibm/fabric,gromeroar/fabric,gromeroar/fabric,srderson/fabric,bburgdave/fabric,isghe/obc-peer,binhn/obc-peer,JonathanLevi/fabric,jjjjibm/fabric,andresgaragiola/fabric,popldo/fabric,hyperledger-archives/fabric,ariccy/fabric,gromeroar/fabric,JonathanLevi/fabric,adecaro/fabric,bren3582/fabric,gennadylaventman/fabric,tuand27613/fabric,itp4IBM/fabric