Autoboot=True Zones after reboot coming up as Ready, not Running

Since last week any machines that have rebooted now have zones (that have auto-boot set to true) come up as Ready, Not Running:

ROOT@dummyhost:/root # zoneadm list -vi
  ID NAME             STATUS     PATH                           BRAND    IP   
   0 global           running    /                              native   shared
   1 tmpz1         ready      /zones/hosts/tmpz1          native   shared

zonecfg:tmpz1> info
zonename: tmpz1
zonepath: /zones/hosts/tmpz1
brand: native
autoboot: true
bootargs:
pool: tmpz1-pool
limitpriv: default,dtrace_proc,dtrace_user
scheduling-class:
ip-type: shared
[cpu-shares: 100]
inherit-pkg-dir:
        dir: /lib
inherit-pkg-dir:
        dir: /platform
inherit-pkg-dir:
        dir: /sbin
inherit-pkg-dir:
        dir: /usr
net:
        address: 10.176.173.185/24
        physical: fjgi0
        defrouter not specified
rctl:
        name: zone.cpu-shares
        value: (priv=privileged,limit=100,action=none)