Log Message:
haproxy: update to 2.3.9.

2021/03/30 : 2.3.9
    - BUG/MEDIUM: mux-h1: make h1_shutw_conn() idempotent
    - MEDIUM: backend: use a trylock to grab a connection on high FD counts as well
    - BUG/MINOR: payload: Wait for more data if buffer is empty in payload/payload_lv
    - BUG/MINOR: stats: Apply proper styles in HTML status page.
    - BUG/MEDIUM: time: make sure to always initialize the global tick

2021/03/25 : 2.3.8
    - MINOR: time: export the global_now variable
    - BUG/MINOR: freq_ctr/threads: make use of the last updated global time
    - BUG/MEDIUM: mux-fcgi: Fix locking of idle_conns lock in the FCGI I/O callback
    - MINOR: time: also provide a global, monotonic global_now_ms timer
    - BUG/MEDIUM: freq_ctr/threads: use the global_now_ms variable
    - BUG/MINOR: protocol: add missing support of dgram unix socket.
    - MINOR/BUG: mworker/cli: do not use the unix_bind prefix for the master CLI \ 
socket
    - MEDIUM: lua: Use a per-thread counter to track some non-reentrant parts of lua
    - BUG/MEDIUM: debug/lua: Don't dump the lua stack if not dumpable
    - BUG/MINOR: ssl: Prevent disk access when using "add ssl crt-list"
    - BUILD: ssl: guard ecdh functions with SSL_CTX_set_tmp_ecdh macro
    - MINOR: lua: Slightly improve function dumping the lua traceback
    - BUG/MEDIUM: debug/lua: Use internal hlua function to dump the lua traceback
    - BUG/MEDIUM: lua: Always init the lua stack before referencing the context
    - MINOR: fd: make fd_clr_running() return the remaining running mask
    - MINOR: fd: remove the unneeded running bit from fd_insert()
    - BUG/MEDIUM: fd: do not wait on FD removal in fd_delete()
    - CLEANUP: fd: remove unused fd_set_running_excl()
    - BUG/MEDIUM: fd: Take the fd_mig_lock when closing if no DWCAS is available.
    - BUG/MEDIUM: thread: Fix a deadlock if an isolated thread is marked as harmless
    - MINOR: tools: make url2ipv4 return the exact number of bytes parsed
    - BUG/MINOR: http_fetch: make hdr_ip() reject trailing characters