Update to dhcpcd-9.3.2 with the following changes:
With the following changes:

* DHCP: Add support for IPv6-Only Preferred option, RFC 8925.
* BSD: LINK_STATE_UNKNOWN is treated as UP once again
* privsep: fix Linux SECCOMP for more platforms
* privsep: add a debugger for SECCOMP (disabled by default)
* privsep: pass logging to the privileged actioneer
* privsep: allow logfile re-opening to work
* privsep: close BPF socket on ENXIO
* privsep: don't leave a BOOTP BPF listener rebooting in non master mode

(roy)