[Bug 282741] local_unbound not responding to SIGTERM

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282741

            Bug ID: 282741
           Summary: local_unbound not responding to SIGTERM
           Product: Base System
           Version: 14.2-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: northboot@mailbox.org

On my machine, local_unbound does not respond to SIGTERM, causing the rc script
to fail when using the "stop" action.

This is the system I'm using:
# uname -a
FreeBSD [...] 14.2-STABLE-HBSD FreeBSD 14.2-STABLE-HBSD  HARDENEDBSD-14-STABLE
amd64

This is the config file I'm using:
# cat /var/unbound/unbound.conf
server:
  username: unbound
  directory: /var/unbound
  chroot: /var/unbound
  pidfile: /var/run/local_unbound.pid

  do-ip4: yes
  do-ip6: no
  do-tcp: yes
  do-udp: yes

  interface: 127.0.0.1
  port: 53

  use-syslog: yes
  verbosity: 0
  log-queries: no
  log-replies: no
  log-local-actions: no
  log-servfail: no
  extended-statistics: no

  hide-identity: yes
  hide-version: yes
  harden-glue: yes
  harden-dnssec-stripped: yes
  harden-below-nxdomain: yes
  harden-algo-downgrade: yes
  harden-short-bufsize: yes
  harden-large-queries: yes
  qname-minimisation: yes
  qname-minimisation-strict: yes
  minimal-responses: yes
  use-caps-for-id: yes
  val-clean-additional: yes
  aggressive-nsec: yes
  rrset-roundrobin: yes

  cache-min-ttl: 0
  cache-max-ttl: 86400
  infra-host-ttl: 20
  msg-cache-size: 5m
  rrset-cache-size: 10m
  prefetch: no

  private-address: 127.0.0.0/8

  access-control: 127.0.0.1/32 allow

  tls-cert-bundle: "/usr/local/share/certs/ca-root-nss.crt"
  auto-trust-anchor-file: "/var/unbound/root.key"

remote-control:
  control-enable: yes
  control-interface: "/var/run/local_unbound.ctl"
  control-use-cert: no

forward-zone:
  name: "."
  forward-tls-upstream: yes
  forward-addr: [...]

Now try stopping local_unbound:
# kill -TERM $(cat /var/run/local_unbound.pid)
(does not stop)

On the other hand, stopping local_unbound with the control interface does
indeed work:
# local-unbound-control stop
(does stop)

I've also tried setting verbosity to 4, but it does not output any log on
receiving SIGTERM.

Can anyone reproduce the bug or see the issue here?

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