Before this change:

hostname:/proc/24139$ cat task/*/comm | sort | uniq
Backend poller
ban-lurker
cache-acceptor
cache-epoll
cache-main
cache-timeout
cache-worker
hcb-cleaner
MPL_busyobj
MPL_req0
MPL_req1
MPL_sess0
MPL_sess1
pool_herder
vsm_cleaner