Log Message:
Update to dhcpcd-6.9.1 with the following changes:
  *  Change packaging from bz2 to xz
  *  Fixed waitip
  *  For Prefix Delegation, servers must now support RFC7550
  *  Fixed detecting host routes in DHCP messages
  *  Fixed ARP checking that failed in some situations
  *  Fixed static address assignment in dhcpcd.conf
  *  Split IPv4LL state from DHCP and into it's own state
  *  Reject any NA/RA with a hop limit != 255
  *  Replace if_oneup with if_afwaited and af_waited for hook scripts
  *  Fix a potential buffer overrun if an embedded DHCP option is
     a zero length or fails to parse - thanks to Paul Stewart
  *  Check fclose for errors - thanks to Bob
  *  wpad_url has been added to dhcpcd-definitions.conf
  *  Fix a double free when failing to send a DHCPv6 RELEASE
     Thanks to Todd Blanchard.
  *  Correct IPv6 public address test, thanks to Micha? K?pie?
  *  Fix DHCPv6 starting if no public addresses found in the RA
     but the M or O bit was set
  *  Replaced custom uptime() with clock_gettime(2)
  *  Fix DHCPv6 elapsed time