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The first thing to do is to create a mac address for the macvlan interface to be created we will create on the host.
According to this article the Second bit of the most significant Byte indicates if the MAC address is Locally or Universally administered. (I think locally is better on for the public facing so you do not collide with other mac addresses). When generating MAC addresses for macvlan, this bit should be set to '1', indicating it is Locally administered. As such translated to a mac address any of these numbers are locally managed and you will not need to worry about colliding with the larger Internet,
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I believe you must have 1 macvlan mapped to 1 container interface and they all must have different static IP addresses. Need to test. I tried replicating my steps in a new container and though it got the IP address, I could not connect.
... add steps here to confirm ..
Create a Permanent macvlan on the Host
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