My Quantum account got destroyed somehow. Continuing: I have disabled my firewall, as shown above. # reg ls localhost INFO[0000] domain: localhost INFO[0000] server address: localhost Get "https://localhost/v2/": dial tcp 127.0.0.1:443: connect: connection refused # nft -s list ruleset # dmesg -c # systemctl restart container-registry # dmesg [Fri Apr 9 08:41:25 2021] cni-podman0: port 1(veth3f6a048d) entered disabled state [Fri Apr 9 08:41:25 2021] device veth3f6a048d left promiscuous mode [Fri Apr 9 08:41:25 2021] cni-podman0: port 1(veth3f6a048d) entered disabled state [Fri Apr 9 08:41:28 2021] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [Fri Apr 9 08:41:28 2021] cni-podman0: port 1(vetha8e962d9) entered blocking state [Fri Apr 9 08:41:28 2021] cni-podman0: port 1(vetha8e962d9) entered disabled state [Fri Apr 9 08:41:28 2021] device vetha8e962d9 entered promiscuous mode [Fri Apr 9 08:41:28 2021] cni-podman0: port 1(vetha8e962d9) entered blocking state [Fri Apr 9 08:41:28 2021] cni-podman0: port 1(vetha8e962d9) entered forwarding state # # nft -s list ruleset # # reg ls localhost INFO[0000] domain: localhost INFO[0000] server address: localhost Get "https://localhost/v2/": dial tcp 127.0.0.1:443: connect: connection refused #