OS Version: Debian buster Docker version 18.09.8, build 0dd43dd Kernel info: info: reading kernel config from /boot/config-4.19.57-custom ... Generally Necessary: - cgroup hierarchy: properly mounted [/sys/fs/cgroup] - CONFIG_NAMESPACES: enabled - CONFIG_NET_NS: enabled - CONFIG_PID_NS: enabled …

The docker installer uses iptables for nat. Unfortunately Debian uses nftables. You can convert the entries over to nftables or just setup Debian to use the legacy iptables. sudo update-alternatives --set iptables /usr/sbin/iptables-legacy sudo update-alternatives --set ip6tables /usr/sbin/ip6…

Thank you, this solved the issue.

Hi, i have tried above solution but in my case i am getting "update-alternatives: error: no alternatives for iptables" any suggestion would be appriciated. Regards Fais

Thanks for your response i am running docker container inside docker container. actually i want to run another container on top of teamcity agent contianer… thats where i am getting error “docker deamon not running”

Try running dockerd service without iptables rules, e.g. !dockerd --iptables=false Related: https://stackoverflow.com/a/64261697/55075

@fais786 did you find the solution or what did you do? thanks in advance

[image] kenorb: !dockerd --iptables=false It’s stuck on API listen on /var/run/docker.sock INFO[2022-09-20T09:26:53.346228872Z] ClientConn switching balancer to "pick_first" module=grpc INFO[2022-09-20T09:26:53.347457464Z] parsed scheme: "unix" module=grpc INFO[2022-…

Failing to start dockerd: failed to create NAT chain DOCKER

General

temrix (Temrix) July 13, 2020, 8:37pm 6

Which errors are you getting?

Topic		Replies	Views
--iptables=false ignored by dockerd General docker	1	5406	January 31, 2020
Cannot start Dockerd anymore General docker	1	2983	May 10, 2021
Cannot start container because of iptables nat rules Machine	2	2051	September 14, 2015
Dockerd takes over network interface General	0	1383	September 22, 2016
Missing generally necessary components General	2	2582	May 26, 2020

Failing to start dockerd: failed to create NAT chain DOCKER

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