chg: [eventReport] Fetch parental event just when it is necessary
chg: [eventReport] Fetch parental event just when it is necessary

MISP/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP