# ip -6 tunnel add vultr mode ip4ip6 remote 2b07:f450:1811:9723:5401:3ff:fe9d:5e37 local 2a02:140:5:1::c09
add tunnel "ip6tnl0" failed: No such device
#
# ip link add wg-vultr type wireguard
Error: Unknown device type.
Unable to access interface: Protocol not supported