gistfile1.sh

zfs recv -d ~/bc.zone.zfs rpool
# That included /zones/bc, /zones/bc/ROOT and /zones/bc/ROOT/zbe

zonecfg -z bc create -a /zones/bc

zoneadm -z bc attach
The -a or -r option is required when there is no active root dataset.

pfexec zoneadm -z bc attach -r /zones/bc
cannot create 'rpool/zones/bc/ROOT': dataset already exists
cannot create 'rpool/zones/bc/ROOT/zbe': dataset already exists
cannot receive: failed to read from stream
Unable to create the zone's ZFS dataset.