install a Solaris 10 package SUNWcar in a zone on a LDOM

Hi!

I'm running a Solaris 10 sparc (NGZ, shared) zone inside a LDOM with Solaris 11.4

How can I install SUNWcar (a package) within that zone, when I get

[2020-07-09 17:09:39] root@ls-sol-sff98d1:/export/home/labuser # pkgadd -d .

The following packages are available:

  1  SUNWbinutils       binutils - GNU binutils

                        (sparc) 11.10.0,REV=2005.01.08.05.16

  2  SUNWcar.u          Core Architecture, (Root)

                        (sparc.sun4u) 11.10.0,REV=2005.01.21.15.53

  3  SUNWcar.us         Core Architecture, (Root)

                        (sparc.sun4us) 11.10.0,REV=2005.01.20.17.25

  4  SUNWcar.v          Core Architecture, (Root)

                        (sparc.sun4v) 11.10.0,REV=2005.08.10.02.13

  5  SUNWgcc            gcc - The GNU C compiler

                        (sparc) 11.10.0,REV=2005.01.08.05.16

  6  SUNWgccS           GNU cc - A C/C++ Compiler (Source)

                        (sparc) 11.10.0,REV=2005.01.08.05.16

  7  SUNWgccruntime     GCC Runtime libraries