[Unit]
After=network-online.target tailscaled.service lisglosips-a-firewall.service
Wants=network-online.target tailscaled.service lisglosips-a-firewall.service

[Service]
ExecStartPre=/bin/sh -c 'for i in $(seq 1 60); do ip address show | grep -q "100.90.90.90" && exit 0; sleep 1; done; echo "Tailscale address 100.90.90.90 not ready" >&2; exit 1'