version 0.6.55

• dhcp6: do not default to a /64 address prefix-length bsc#1132280
  Add an address-length aka DHCLIENT6_ADDRESS_LENGTH ifcfg option, which
  permits to specify explicit prefix-length to use for the DHCPv6 address
  and override detection using RA prefix info and a default to /128.
• time: use boot time for timer instead of real time bsc#1129986
• dhcp: Consistently log dhcp xid and enabled to log dhcp6 timings line.
• dhcp6: lower unexpected xid messages to debug level
• systemd: change to depend on udev settle service bsc#1136034, bsc#1132774
  Calling udevadm settle directly caused systemd to kill wicked services.
• bridge: honour ifcfg LLADDR and set link address bsc#1042123, bsc#1142670
• rfkill: fix switch statement to check enum variable not a constant bsc#1140117
• man: ifcfg-ovs-bridge(5): recommend STARTMODE=nfsroot
• dhcp4: nullify defer timer pointer when timeout (#798)
• dhcp4: fix to request routing options when custom options are used bsc#1132326
• testing: add ifbind.sh helper script allowing to test hotplugging