Já cheguei a tentar isso e continua na mesma, olha só:
# find / -type l -ls | grep xx 2>/dev/null
find: /proc/2/exe: No such file or directory
find: /proc/3/exe: No such file or directory
find: /proc/4/exe: No such file or directory
find: /proc/5/exe: No such file or directory
find: /proc/6/exe: No such file or directory
find: /proc/7/exe: No such file or directory
find: /proc/9/exe: No such file or directory
find: /proc/44/exe: No such file or directory
find: /proc/822/fd/4: No such file or directory
#