lsof | wc -l reporting 168217 fd open.
Most of them are asterisk related with different threads.
Unfortunately I cant upload attachement as a new user here. Here is a brief what I see. Per thread it is ~600 fd, and number of asterisk threads is 259.
asterisk 15414 424 astuser cwd DIR 0,40 73 4365651 /
asterisk 15414 424 astuser rtd DIR 0,40 73 4365651 /
asterisk 15414 424 astuser txt REG 0,40 16126296 2268772 /usr/sbin/asterisk
asterisk 15414 424 astuser mem REG 253,4 2268772 /usr/sbin/asterisk (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231140 /lib/x86_64-linux-gnu/libnss_dns-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415960 /usr/lib/asterisk/modules/res_ari_playbacks.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415955 /usr/lib/asterisk/modules/res_ari_channels.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415954 /usr/lib/asterisk/modules/res_ari_bridges.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421124 /usr/lib/asterisk/modules/res_pjsip_send_to_voicemail.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421123 /usr/lib/asterisk/modules/res_pjsip_sdp_rtp.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421120 /usr/lib/asterisk/modules/res_pjsip_refer.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416030 /usr/lib/asterisk/modules/res_pjsip_publish_asterisk.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416029 /usr/lib/asterisk/modules/res_pjsip_pidf_eyebeam_body_supplement.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416028 /usr/lib/asterisk/modules/res_pjsip_pidf_digium_body_supplement.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416027 /usr/lib/asterisk/modules/res_pjsip_pidf_body_generator.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416017 /usr/lib/asterisk/modules/res_pjsip_mwi.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416018 /usr/lib/asterisk/modules/res_pjsip_mwi_body_generator.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416013 /usr/lib/asterisk/modules/res_pjsip_header_funcs.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416012 /usr/lib/asterisk/modules/res_pjsip_exten_state.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416004 /usr/lib/asterisk/modules/res_pjsip_dialog_info_body_generator.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415858 /usr/lib/asterisk/modules/chan_pjsip.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421145 /usr/lib/asterisk/modules/res_stasis_playback.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415962 /usr/lib/asterisk/modules/res_ari_sounds.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415961 /usr/lib/asterisk/modules/res_ari_recordings.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415958 /usr/lib/asterisk/modules/res_ari_events.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415957 /usr/lib/asterisk/modules/res_ari_endpoints.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415956 /usr/lib/asterisk/modules/res_ari_device_states.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415953 /usr/lib/asterisk/modules/res_ari_asterisk.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415952 /usr/lib/asterisk/modules/res_ari_applications.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415951 /usr/lib/asterisk/modules/res_ari.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421129 /usr/lib/asterisk/modules/res_pjsip_xpidf_body_generator.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421127 /usr/lib/asterisk/modules/res_pjsip_t38.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421125 /usr/lib/asterisk/modules/res_pjsip_session.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421122 /usr/lib/asterisk/modules/res_pjsip_rfc3326.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 421121 /usr/lib/asterisk/modules/res_pjsip_registrar.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416031 /usr/lib/asterisk/modules/res_pjsip_pubsub.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416025 /usr/lib/asterisk/modules/res_pjsip_path.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416024 /usr/lib/asterisk/modules/res_pjsip_outbound_registration.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416023 /usr/lib/asterisk/modules/res_pjsip_outbound_publish.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416022 /usr/lib/asterisk/modules/res_pjsip_outbound_authenticator_digest.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416021 /usr/lib/asterisk/modules/res_pjsip_one_touch_record_info.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416020 /usr/lib/asterisk/modules/res_pjsip_notify.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416019 /usr/lib/asterisk/modules/res_pjsip_nat.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416016 /usr/lib/asterisk/modules/res_pjsip_messaging.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416015 /usr/lib/asterisk/modules/res_pjsip_logger.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 416011 /usr/lib/asterisk/modules/res_pjsip_endpoint_identifier_user.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231124 /lib/x86_64-linux-gnu/libgpg-error.so.0.21.0 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231122 /lib/x86_64-linux-gnu/libgcrypt.so.20.1.6 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657050 /usr/lib/x86_64-linux-gnu/libunistring.so.0.1.2 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656909 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.2 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657043 /usr/lib/x86_64-linux-gnu/libssl.so.1.0.2 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657029 /usr/lib/x86_64-linux-gnu/libpsl.so.5.1.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657042 /usr/lib/x86_64-linux-gnu/libssh2.so.1.0.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657030 /usr/lib/x86_64-linux-gnu/librtmp.so.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656987 /usr/lib/x86_64-linux-gnu/libidn2.so.0.1.4 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657013 /usr/lib/x86_64-linux-gnu/libnghttp2.so.14.12.3 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656916 /usr/lib/x86_64-linux-gnu/libcurl.so.4.4.0 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415871 /usr/lib/asterisk/modules/codec_opus.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415874 /usr/lib/asterisk/modules/codec_ulaw.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415872 /usr/lib/asterisk/modules/codec_resample.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415853 /usr/lib/asterisk/modules/chan_bridge_media.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656924 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656960 /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656969 /usr/lib/x86_64-linux-gnu/libhogweed.so.4.3 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657011 /usr/lib/x86_64-linux-gnu/libnettle.so.6.3 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657046 /usr/lib/x86_64-linux-gnu/libtasn1.so.6.5.3 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 608045 /lib/x86_64-linux-gnu/libidn.so.11.6.16 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657023 /usr/lib/x86_64-linux-gnu/libp11-kit.so.0.2.0 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656962 /usr/lib/x86_64-linux-gnu/libgnutls.so.30.13.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657032 /usr/lib/x86_64-linux-gnu/libsasl2.so.2.0.25 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657002 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.10.7 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 608047 /lib/x86_64-linux-gnu/libkeyutils.so.1.5 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656998 /usr/lib/x86_64-linux-gnu/libkrb5support.so.0.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231109 /lib/x86_64-linux-gnu/libcom_err.so.2.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656994 /usr/lib/x86_64-linux-gnu/libk5crypto.so.3.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656996 /usr/lib/x86_64-linux-gnu/libkrb5.so.3.3 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657005 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.10.7 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656967 /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2.2 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657027 /usr/lib/x86_64-linux-gnu/libpq.so.5.9 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415847 /usr/lib/asterisk/modules/cdr_pgsql.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415846 /usr/lib/asterisk/modules/cdr_manager.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415845 /usr/lib/asterisk/modules/cdr_custom.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415843 /usr/lib/asterisk/modules/bridge_softmix.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415842 /usr/lib/asterisk/modules/bridge_simple.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415841 /usr/lib/asterisk/modules/bridge_native_rtp.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415840 /usr/lib/asterisk/modules/bridge_holding.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415839 /usr/lib/asterisk/modules/bridge_builtin_interval_features.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415838 /usr/lib/asterisk/modules/bridge_builtin_features.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415803 /usr/lib/asterisk/modules/app_mixmonitor.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415778 /usr/lib/asterisk/modules/app_cdr.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415789 /usr/lib/asterisk/modules/app_directory.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415831 /usr/lib/asterisk/modules/app_verbose.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415822 /usr/lib/asterisk/modules/app_stack.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415809 /usr/lib/asterisk/modules/app_playback.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415786 /usr/lib/asterisk/modules/app_dial.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 415777 /usr/lib/asterisk/modules/app_bridgewait.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231142 /lib/x86_64-linux-gnu/libnss_files-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231146 /lib/x86_64-linux-gnu/libnss_nis-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231136 /lib/x86_64-linux-gnu/libnsl-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231138 /lib/x86_64-linux-gnu/libnss_compat-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231126 /lib/x86_64-linux-gnu/liblzma.so.5.2.2 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231184 /lib/x86_64-linux-gnu/libz.so.1.2.8 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656971 /usr/lib/x86_64-linux-gnu/libicudata.so.57.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656985 /usr/lib/x86_64-linux-gnu/libicuuc.so.57.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656973 /usr/lib/x86_64-linux-gnu/libicui18n.so.57.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231120 /lib/x86_64-linux-gnu/libgcc_s.so.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231070 /lib/x86_64-linux-gnu/libc-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231127 /lib/x86_64-linux-gnu/libm-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231230 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.22 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 608039 /lib/x86_64-linux-gnu/libbsd.so.0.8.3 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231176 /lib/x86_64-linux-gnu/libtinfo.so.5.9 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 608049 /lib/x86_64-linux-gnu/libncurses.so.5.9 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656918 /usr/lib/x86_64-linux-gnu/libedit.so.2.0.55 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231161 /lib/x86_64-linux-gnu/libresolv-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231159 /lib/x86_64-linux-gnu/libpthread-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231112 /lib/x86_64-linux-gnu/libdl-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231163 /lib/x86_64-linux-gnu/librt-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231110 /lib/x86_64-linux-gnu/libcrypt-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231182 /lib/x86_64-linux-gnu/libuuid.so.1.3.0 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657052 /usr/lib/x86_64-linux-gnu/liburiparser.so.1.0.20 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2656910 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657044 /usr/lib/x86_64-linux-gnu/libssl.so.1.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657040 /usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2657054 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 6526951 /usr/lib/libasteriskpj.so.2 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 6526953 /usr/lib/libasteriskssl.so.1 (stat: No such file or directory)
asterisk 15414 424 astuser mem REG 253,4 2231052 /lib/x86_64-linux-gnu/ld-2.24.so (stat: No such file or directory)
asterisk 15414 424 astuser 0u CHR 1,3 0t0 386192512 /dev/null
asterisk 15414 424 astuser 1w FIFO 0,9 0t0 386192291 pipe
asterisk 15414 424 astuser 2w FIFO 0,9 0t0 386192292 pipe
asterisk 15414 424 astuser 3u REG 0,40 135168 4365866 /var/lib/asterisk/astdb.sqlite3
asterisk 15414 424 astuser 4r CHR 1,9 0t0 386192517 /dev/urandom
asterisk 15414 424 astuser 5u unix 0xffff9581d9c2b300 0t0 386192587 /var/run/asterisk/asterisk.ctl
asterisk 15414 424 astuser 6w REG 253,4 120456 4381673 /var/log/asterisk/messages
asterisk 15414 424 astuser 7w REG 253,4 1585818 4381701 /var/log/asterisk/full
asterisk 15414 424 astuser 8w REG 253,4 116 4381702 /var/log/asterisk/security
asterisk 15414 424 astuser 9w REG 253,4 3525152 4381703 /var/log/asterisk/fulljson
asterisk 15414 424 astuser 10u IPv4 386192595 0t0 TCP SRV-AST:58786->SRV-AST:postgres (ESTABLISHED)
asterisk 15414 424 astuser 11u IPv4 386192603 0t0 TCP *:radan-http (LISTEN)
asterisk 15414 424 astuser 12u IPv4 429481682 0t0 TCP *:8089 (LISTEN)
asterisk 15414 424 astuser 13u a_inode 0,10 0 5366 [eventpoll]
asterisk 15414 424 astuser 14u IPv4 386192620 0t0 UDP *:44354
asterisk 15414 424 astuser 15u IPv6 386192621 0t0 UDP *:36940
asterisk 15414 424 astuser 16u IPv4 386192617 0t0 UDP *:sip
asterisk 15414 424 astuser 17r CHR 1,9 0t0 386192517 /dev/urandom
asterisk 15414 424 astuser 18u a_inode 0,10 0 5366 [eventpoll]
asterisk 15414 424 astuser 19u IPv4 386192627 0t0 TCP SRV-AST:58790->SRV-AST:postgres (ESTABLISHED)
asterisk 15414 424 astuser 20u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 21w REG 253,4 40 4381704 /var/log/asterisk/queue_log
asterisk 15414 424 astuser 22u unix 0xffff9581fbbfb740 0t0 429481668 /var/run/asterisk/asterisk.ctl
asterisk 15414 424 astuser 23u IPv4 452578000 0t0 TCP ast-server:8089->192.168.1.110:44993 (ESTABLISHED)
asterisk 15414 424 astuser 24u IPv4 434811090 0t0 TCP ast-server:8089->192.168.1.110:50153 (ESTABLISHED)
asterisk 15414 424 astuser 25u unix 0xffff9581fbbf8440 0t0 429481669 socket
asterisk 15414 424 astuser 26u unix 0xffff9581d9c2aec0 0t0 429481670 socket
asterisk 15414 424 astuser 27u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 28u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 29r a_inode 0,10 0 5366 inotify
asterisk 15414 424 astuser 30u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 31u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 32u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 33u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 34u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 35u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 36u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 37u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 38u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 39u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 40u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 41u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 42u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 43u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 44u a_inode 0,10 0 5366 [eventfd]
asterisk 15414 424 astuser 45u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 46u a_inode 0,10 0 5366 [timerfd]
asterisk 15414 424 astuser 47u a_inode 0,10 0 5366 [eventfd]
...