# nordvpnd disables IPv6 for all interfaces and thus breaks Yggdrasil. This # override gives yggdrasil.service two chances to ensure IPv6 is enabled. [Service] ExecStartPre=sysctl net.ipv6.conf.all.disable_ipv6=0 ExecStartPost=sysctl net.ipv6.conf.all.disable_ipv6=0 # I cannot use this as the interface won't exist until Yggdrasil starts #ExecStartPost=sysctl net.ipv6.conf.yggdrasil.disable_ipv6=0