Initialize LDOM Host

# ldm add-vcc port-range=5000-5100 primary-vcc0 primary
# ldm add-vds primary-vds0 primary
# ldm add-vsw net-dev=vaggr1 primary-vsw0 primary

# ldm set-vcpu 4 primary
# ldm set-memory 1g primary
# ldm set-domain extended-mapin-space=on primary
# ldm add-config initial
# ldm list-config
factory-default [current]
initial [next]
# shutdown -y -g0 -i6

Enable vntsd
#  svcs -l vntsd
# svcadm enable vntsd
# svcadm start vntsd

https://docs.oracle.com/cd/E38405_01/html/E38406/maximizenetperftask.html