I just installed release 3002 from 1/4" tape, and my rc.tcpip
was slightly different than yours.
This release also told me that /etc/rc.tcpip would be changed.
My version is:
src_running=`ps -e | awk '$NF == "srcmstr" {print $1; exit} '`
Perhaps your tape is a 'early version' of release 3002?