sysupgrade
: Before upgrading a production firewall, replicate the process in a VM or test server. This is especially important when major PF syntax changes are introduced. pf configuration incompatible with pf program version
pfctl: /etc/pf.conf: line 1: pf configuration incompatible with pf program version kernel: pf: DIOCXRULES: Inappropriate ioctl for device pf configuration incompatible with pf program version
