The networking industry likes to do this too.  For example, VXLAN:<p>&gt; <i>&quot;It uses a VLAN-like encapsulation technique to encapsulate MAC-based OSI layer 2 Ethernet frames within layer 4 UDP packets, ...&quot;</i><p><pre><code>  -- https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Virtual_Extensible_LAN
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Before that, MPLS: IPv6-in-IPv4 over PPPoE over HDLC over MPLS over an Ethernet VLAN inside a service provider&#x27;s VLAN (Q-in-Q) over MPLS CSC to another ISP halfway across the country to ...