With the following changes:

• DHCP: If error adding the address in oneshot, exit with failure
• DHCP: Only listen to the address if we successfully added it
• DHCP6: Fix segfault introduced in dhcpcd-9.3.3
• DHCP6: Abort in test mode when an error is returned by server
• options: allow—ia_na=1 and—ia_pd=2 on the command line
• options: Allow duid to take a value

ftp://roy.marples.name/pub/dhcpcd/dhcpcd-9.3.4.tar.xz
https://roy.marples.name/downloads/dhcpcd/dhcpcd-9.3.4.tar.xz