ci: run tests on a nftables only system

Signed-off-by: Adrian Reber <areber@redhat.com>

Author: adrianreber

.github/workflows/nftables-test.yml

@@ -0,0 +1,18 @@
+name: nftables bases testing
+
+on: [push, pull_request]
+
+# Cancel any preceding run on the pull request.
+concurrency:
+  group: gcc-test-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/criu-dev' }}
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v4
+    - name: Remove iptables
+      run: dpkg -l; ls -la /usr/sbin
+    - name: Build with nftables network locking backend
+      run: sudo make -C scripts/ci local MAKEFLAGS="NETWORK_LOCK_DEFAULT=NETWORK_LOCK_NFTABLES"

scripts/ci/run-ci-tests.sh

@@ -122,7 +122,7 @@ fi
 
 export GCOV CC
 $CC --version
-time make CC="$CC" -j4 V=1
+time make CC="$CC" -j4 V=1 "$MAKEFLAGS"
 
 ./criu/criu -v4 cpuinfo dump || :
 ./criu/criu -v4 cpuinfo check || :