add comment about monitor flags bug
add comment about monitor flags bug

OSLL/iw,TeamEOS/external_iw,SoluMachines/external_iw,OSLL/iw,chunyeow/iw,cozybit/iw,CTU-IIG/802.11p-iw,timduru/platform-external-iw,bcopeland/android_iw,ewa/iw-modified,TeamEOS/external_iw,ewa/iw-modified,bw-oss/iw,greearb/iw-ct,cozybit/iw,SoluMachines/external_iw,bcopeland/android_iw,idor/iw,idor/iw,chunyeow/iw,Distrotech/iw,Distrotech/iw,timduru/platform-external-iw,CTU-IIG/802.11p-iw,greearb/iw-ct,bw-oss/iw