chore: readjust the kernel tcp retries2

Ticket: QA-1625
Signed-off-by: Peter Grzybowski <peter@northern.tech>

Author: merlin-northern

.gitlab-ci-full-integration-template.yml

@@ -51,6 +51,7 @@ test:integration:$CI_NODE_INDEX:
     # running with high parallelism on a single VM
     - sysctl -w fs.inotify.max_user_instances=1024
     - sysctl -w fs.file-max=600000
+    - sysctl -w net.ipv4.tcp_retries2=5
     - ulimit -n 524288
 
   script:

tests/run.sh

@@ -143,6 +143,7 @@ if test ${CI_NODE_TOTAL:-1} -gt 1; then
   fi
   export PYTEST_ADDOPTS="$PYTEST_ADDOPTS $PYTEST_NODES"
 fi
+sysctl -w net.ipv4.tcp_retries2=5
 python3 -m pytest \
     $EXTRA_TEST_ARGS \
     --dist=loadfile \