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Alright, so the issue was in CentOS and firewalld. I've found the solution here. If anybody runs into the same issue, you need to add Docker as trusted interface: firewall-cmd --permanent --zone=trusted --add-interface=docker0 And then simply reload it: firewall-cmd --reload

Hi guys, Sorry to bother, but I got perhaps a fairly easy problem, but I can't seem to be able to solve it. I have 1 host with 3 VMs, all of them can reach Internet and resolve domain names, but Docker containers running on said VMs can't resolve DNS (ping google.com fails), but can reach...