Key-value pairs for configuring rarely used port features. The
currently defined key-value pairs are:
<dl>
- <dt><code>hwaddr</code></dt>
- <dd>An Ethernet address in the form
- <code><var>xx</var>:<var>xx</var>:<var>xx</var>:<var>xx</var>:<var>xx</var>:<var>xx</var></code>.</dd>
<dt><code>bond-rebalance-interval</code></dt>
<dd>For an SLB bonded port, the number of milliseconds between
successive attempts to rebalance the bond, that is, to