!lpc port puzzle

hi, everyon

when i use !lpc command , i have a throuble:
kd> !lpc port
Port type Port address Connection port Connected port Name

*** objects of the same type are only linked together if the 4000 flag is
set in NtGlobalFlags
*** objects of the same type are only linked together if the 4000 flag is
set in NtGlobalFlags
Scanned 830 port objects

why dispaly any port details ?

when i use !gflag + eot, there is no efficient.

How can i valid this command , or how to set it ?

Thx all you suggestion.