Without /etc/hostname.pfsync0 there will be no such interface upon boot. Feedback? OK?
Index: faq/pf/carp.html =================================================================== RCS file: /cvs/www/faq/pf/carp.html,v retrieving revision 1.63 diff -u -p -r1.63 carp.html --- faq/pf/carp.html 28 May 2019 01:53:11 -0000 1.63 +++ faq/pf/carp.html 13 Jul 2020 19:44:00 -0000 @@ -323,8 +323,6 @@ Since pfsync(4) is a virtual network int <dl> <dt><code><i>pfsyncN</i></code> <dd>The name of the pfsync(4) interface. - <code>pfsync0</code> exists by default when using the <code>GENERIC</code> - kernel. <dt><code><i>syncdev</i></code> <dd>The name of the physical interface used to send pfsync updates out.