Logstash 5 not starting on FreeBSD

Logstash services failes on FreeBSD (11.x)

[2018-11-06T12:24:56,663][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"fb_apache", :directory=>"/usr/share/logstash/modules/fb_apache/configuration"}
[2018-11-06T12:24:56,664][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"netflow", :directory=>"/usr/share/logstash/modules/netflow/configuration"}

Did you add procfs/fdesc in /etc/fstab?

vim /etc/fstab

fdesc   /dev/fd      fdescfs       rw    0    0
proc    /proc        procfs        rw    0    0

mount -a