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Environment:

  1. Ubuntu 20.04 LTS
  2. Docker
  3. WireGuard
  4. firewalld

I checked systemctl status firewalld

I have this message

Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -t filter -X DOCKER' failed: iptables: No cha>
Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -t filter -F DOCKER-ISOLATION-STAGE-1' failed>
Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -t filter -X DOCKER-ISOLATION-STAGE-1' failed>
Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -t filter -F DOCKER-ISOLATION-STAGE-2' failed>
Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -t filter -X DOCKER-ISOLATION-STAGE-2' failed>
Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -t filter -F DOCKER-ISOLATION' failed: iptabl>
Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -t filter -X DOCKER-ISOLATION' failed: iptabl>
Mar 10 23:04:29 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -D FORWARD -i br-5efaa402a4d3 -o br-5efaa402a>
Mar 10 23:04:30 vpnwaw firewalld[542]: 1;38;5;185mWARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -D FORWARD -i docker0 -o docker0 -j
 DROP' fai>Mar 10 23:04:31 vpnwaw firewalld[542]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -D FORWARD -i docker0 -o docker0 -j
portableunit
  • 1

1 Answers1

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SystemD won't work reliably in Docker, use it's replacement.

Download the file and copy it to your docker.

COPY ./systemctl3.py .
RUN chmod +x *.py && cp -f systemctl3.py /usr/bin/systemctl
willnode
  • 126
  • 4