assorted/wireguard-namespaced

        I N T E R N E T
              Λ :
              | :
              | :
+------------ | : ------------+    +-----------------------------------------------+
| Init NS     | :             |    | VPN NS                                        |
|          -- V --            |    |      ---------                                |
|        / enp0s3  \ .................. / wg-vpn    \ ............                 |
|        \ 1.2.3.4 <------------------->  10.11.0.1 /            :                 |
|          -------            |    |      ---------      O------ : ------------O   |
|                             |    |                     |       unbound       |   |
|         ----------          |    |     ----------      O------------ : ------O   |
|       / veth─init  <-----------------> veth─vpn   \                  :           |
|       \ 10.127.0.1 / ............... \ 10.127.0.2 / .................:           |
|         ----------          |    |     ----------                                |
|              :              |    |                                               |
|   O--------- : ---------O   |    +-----------------------------------------------+
|   |   unbound-control   |   |
|   O---------------------O   |
|                             |
+-----------------------------+