bcc-test: fix test error
@@ -51,7 +51,7 @@ RUN apt-get update && apt-get install -y \
libtinfo-dev
RUN pip3 install pyroute2 netaddr dnslib cachetools
-RUN pip install pyroute2 netaddr dnslib cachetools
+RUN pip install pyroute2==0.5.18 netaddr==0.8.0 dnslib==0.9.14 cachetools==3.1.1
# FIXME this is faster than building from source, but it seems there is a bug
# in probing libruby.so rather than ruby binary
