systemstats_linux: unexpected header length in /proc/net/snmp. 237 != 224 errors

[shooding]

Steps to repeat: just docker-compose up -d

quay.io/labmonkeys/net-snmp:5.9.3-r0.b1425 seems to be the issue. I've tried upgraded to latest 5.9.4-r0.b2384 still get unexpected header length in /proc/net/snmp. 237 != 224 errors

[indigo423]

We need to upgrade Net-SNMP it was a bug when running Net-SNMP on newer kernels, see here: net-snmp/net-snmp#785

[shooding]

For people having the same issue, before quay.io/labmonkeys/net-snmp release the latest update to 5.9.4, You can use my image shooding/net-snmp (arm64 & amd64) as a temp replacement to quay.io/labmonkeys/net-snmp:5.9.3-r0.b1425 in docker-compose.yml.

The Dockerfile I used to build the image is referenced from labmonkeys official repo https://github.com/labmonkeys-space/app-container

# Stage 1: Builder Stage - Build net-snmp from source
FROM "alpine" AS builder

# Install the necessary build tools and dependencies for net-snmp
RUN apk add --no-cache \
    build-base \
    git \
    autoconf \
    automake \
    bash \
    libtool \
    make \
    bash \
    alpine-sdk \
    fakeroot \
    linux-headers \
    libnl3-dev \
    perl \
    perl-dev \
    ruby-dev \
    ruby-bundler \
    rpm

# Install fpm for packaging RPM/DEB
RUN gem install --no-document fpm

# Set the working directory
WORKDIR /usr/src

# Clone the net-snmp source code
RUN git clone https://github.com/net-snmp/net-snmp.git

# Create the /package directory
RUN mkdir -p /package

# Build the net-snmp package
RUN cd net-snmp && \
    ./configure --prefix=/package --with-defaults --without-openssl && \
    make && \
    make install

# Use fpm to create an RPM package from the /package directory and produce to current WORKDIR
RUN fpm -s dir -t rpm -n net-snmp -v "5.9.4" -C /package .

# hadolint ignore=DL3006
FROM "alpine"

# Install rpm so that we can use rpm -i
RUN apk add --no-cache rpm

# Copy the built RPM package from the builder stage
COPY --from=builder /usr/src/*.rpm /tmp/net-snmp.rpm

# Install the RPM package using rpm command
RUN rpm -i /tmp/net-snmp.rpm

# RUN mkdir -p /etc/snmp/conf.d && \
#     adduser -S snmp && \
#     chown -R snmp:root /etc/snmp /var/lib/net-snmp
RUN mkdir -p /etc/snmp/conf.d && \
    adduser -S snmp && \
    chown -R snmp:root /etc/snmp

COPY --chown=snmp:root config/snmpd.conf /etc/snmp/snmpd.conf
COPY --chown=snmp:root config/conf.d/* /etc/snmp/conf.d/

# ENTRYPOINT ["/bin/bash"]

USER snmp

ENTRYPOINT [ "/sbin/snmpd" ]

CMD [ "-f", "-Le", "-LS0-6d", "-c", "/etc/snmp/snmpd.conf" ]

# Runtime information and not relevant at build time

EXPOSE 161/udp