try running vcan tests under docker

.github/workflows/ci.yml

@@ -20,8 +20,5 @@ jobs:
       continue-on-error: true
 
     - name: run unit tests
-      run: ip link help dev && \
-        sudo ip link add name vcan0 type vcan && \
-        sudo ip link set vcan0 up && \
-        bazel test //test:all
+      run: docker run  -it --cap-add NET_ADMIN --rm -v $(pwd):$(pwd) -w $(pwd) iso14229 bazel test //test:all 
 

Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:22.04
+
+RUN apt update && apt install apt-transport-https curl gnupg -y && \
+    curl -fsSL https://bazel.build/bazel-release.pub.gpg | gpg --dearmor >bazel-archive-keyring.gpg &&\
+    mv bazel-archive-keyring.gpg /usr/share/keyrings && \
+    echo "deb [arch=amd64 signed-by=/usr/share/keyrings/bazel-archive-keyring.gpg] https://storage.googleapis.com/bazel-apt stable jdk1.8" | tee /etc/apt/sources.list.d/bazel.list && \
+    apt update &&\
+    apt install net-tools iproute2 can-utils bazel clang-15 -y
+
+ADD docker-entrypoint.sh .
+
+ENTRYPOINT ["sh", "docker-entrypoint.sh"]

docker-entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+
+# Display configuration
+echo Using following configuration
+echo VCAN_INTERFACE: "${VCAN_INTERFACE:=vcan0}"
+
+# Setting up vcan
+ip link add "$VCAN_INTERFACE" type vcan
+ip link set up "$VCAN_INTERFACE"
+echo Created vcan
+
+$@

src/tp.c

@@ -1,4 +1,5 @@
 #include "tp.h"
+#include <assert.h>
 
 /**
  * @brief