NetfilterQueue not working in a docker container

NetfilterQueue is showing a weird problem when importing in a python script running in a container:

File "", line 1, in <module>
    from netfilterqueue import NetfilterQueue
ImportError: /usr/local/lib/python2.7/dist-packages/ undefined symbol: nfq_set_verdict2

In the container, I have installed:

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  • FROM debian:wheezy
    RUN apt-get update && apt-get install -y \
        bridge-utils \
        net-tools \
        iptables \
        python \ 
        scapy \
        tcpdump \
        python-nfqueue \
        build-essential \
        python-dev \
        libnetfilter-queue-dev \
    RUN pip install netfilterqueue
    COPY ./ /
    ENTRYPOINT  sysctl net.ipv6.conf.all.forwarding=1 && ip6tables -A FORWARD -j NFQUEUE --queue-num 1 && python

    Build is working like a charm. Any idea what could cause this error on runtime?

    Thanks for the help

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  • One Solution collect form web for “NetfilterQueue not working in a docker container”

    FYI I was able to fix this by using ubuntu as the base instead of debian. The container host is also ubuntu. I started the container with –privileged and –net=host

    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.