cfg-checker bench part 1

 - first single test debug portion
 - updated fio option extraction
 - updated date interaction
 - fixed agent error showing and handling

 Related-PROD: PROD-36669

Change-Id: I7c1014c01b5b84429f112bff8db5ad34944c4644
diff --git a/etc/docker-cfg-agent b/etc/docker-cfg-agent
index 6c5d583..69e6591 100644
--- a/etc/docker-cfg-agent
+++ b/etc/docker-cfg-agent
@@ -7,7 +7,7 @@
     ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
     apt-get update && \
     apt-get install -y make gcc g++ git libaio-dev libaio1 zlib1g-dev && \
-    apt-get install -y python3-pip python3-venv vim iperf3 mtr htop iputils-ping traceroute tcpdump wget iproute2 curl screen && \
+    apt-get install -y python3-pip iperf3 iputils-ping curl && \
     git clone --depth 1 --branch fio-3.26 https://github.com/axboe/fio.git && \
     cd /opt/fio && \
     ./configure && \