NEX-2395: i_ipadm_nvl2ifinfo() shall ignore unknown entries in the per-interface NVL
NEX-2460 libfksmbd should not link with libsmb (elfcheck)
NEX-2483 idmap is wedged

Revert "NEX-2278 Joining AD with IDMU does not provide mappings for nfsv4"
This reverts commit 975b410d1bdb6ae907d3a97c7ed61d5844f452b9.

The fix for NEX-2278 worked in some cases, but caused idmap hangs.
(needs more work)
NEX-2430 ndmpd segfaults in get_backup_size+0x13b() lint fix