# ll -d /proc/v*/*
dr--r--r--  2 root root 0 2006-01-02 21:44 /proc/virtnet/49156
dr--r--r--  2 root root 0 2006-01-02 21:44 /proc/virtnet/49156
-r--r--r--  1 root root 0 2006-01-02 21:44 /proc/virtnet/info
dr--r--r--  2 root root 0 2006-01-02 21:32 /proc/virtual/101
-r--r--r--  1 root root 0 2006-01-02 21:44 /proc/virtual/info
-r--r--r--  1 root root 0 2006-01-02 21:44 /proc/virtual/status

+x and hard link count ...