T_X on Nostr: we had a 1476 bytes MTU on the PPPoE interface. I would have expected a 1396 bytes ...

we had a 1476 bytes MTU on the PPPoE interface. I would have expected a 1396 bytes MTU on the #WireGuard tunnel interface, but ping's with various sizes showed it had to be 1392 instead. Does that make sense, would the padding explain that?