IPs are not added to fail2ban filtering rules. What am I doing wrong?

Question

Asterisk

in filter.d/asterisk.conf there are such variations

Trying to put 'SIP\/2.0 401' onto UDP socket destined for <HOST>:.*
Trying to put 'SIP/2.0 401' onto UDP socket destined for <HOST>:.*
DEBUG.* .*: Trying to put 'SIP\/2.0 401' onto UDP socket destined for <HOST>:.*$
DEBUG.* .*: Trying to put 'SIP/2.0 401' onto UDP socket destined for <HOST>:.*$

According to none of the above rules, it does not add an IP from a message of the form to the filter:

DEBUG[31267]: chan_sip.c:3805 __sip_xmit: Trying to put 'SIP/2.0 401' onto UDP socket destined for ip:port

In general, some rules work
fail2ban-regex /var/log/asterisk/full /etc/fail2ban/filter.d/asterisk.conf
0 ignored, 34 matched

jail.local

spoiler

[asterisk]
port     = 5060,5061
action   = %(banaction)s[name=%(__name__)s-tcp, port="%(port)s", protocol="tcp", chain="%(chain)s", actname=%(banaction)s-tcp]
           %(banaction)s[name=%(__name__)s-udp, port="%(port)s", protocol="udp", chain="%(chain)s", actname=%(banaction)s-udp]
           %(mta)s-whois[name=%(__name__)s, dest="%(destemail)s"]
logpath  = /var/log/asterisk/full
maxretry = 10
findtime = 86400
bantime  = 518400
enabled = true