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Hello,I have 6 Ubuntu 18.04 machines in a Tinc (1.35) network, where 3 are in Spain and 3 in UK.One machine in each country is running Tinc, and as both ends are behind NAT, they both connect outward to an Upcloud VM. The 4 non-tinc machines can Ping and SSH each other without issue, and so from that point of view, the Tinc VPN is working fine.However, the 2 tinc machines can only ping and ssh