Unbound not binding to port?

[robinhood1596]

Error-Message

[1682689361] unbound[94710:0] error: can't bind socket: Address already in use for 127.0.0.1 port 8953
[1682689361] unbound[94710:0] error: cannot open control interface 127.0.0.1 8953
[1682689361] unbound[94710:0] fatal error: could not open ports

DNSMASQ_LISTENING	single
DNSMASQ_USER	pihole
DNSSEC	"true"
FTL_CMD	no-daemon
FTLCONF_LOCAL_IPV4	192.168.178.36
IPv6	True
PATH	/opt/pihole:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PHP_ERROR_LOG	/var/log/lighttpd/error-pihole.log
phpver	php
PIHOLE_DNS_	127.0.0.1#5335
REV_SERVER	false
REV_SERVER_CIDR	192.168.0.0/16
REV_SERVER_DOMAIN	local
REV_SERVER_TARGET	192.168.178.1
S6_BEHAVIOUR_IF_STAGE2_FAILS	2
S6_CMD_WAIT_FOR_SERVICES_MAXTIME	0
S6_KEEP_ENV	1
TZ	Europe/Berlin

yaml-compose used for stack

version: '3.0'

volumes:
etc_pihole-unbound:
etc_pihole_dnsmasq-unbound:

services:
pihole:
container_name: pihole
image: cbcrowe/pihole-unbound:latest
hostname: ${HOSTNAME}
domainname: ${DOMAIN_NAME}
ports:
- 443:443/tcp
- 53:53/tcp
- 53:53/udp
- ${PIHOLE_WEBPORT:-80}:80/tcp #Allows use of different port to access pihole web interface when other docker containers use port 80
- 5335:5335/tcp # Uncomment to enable unbound access on local server
- 22/tcp # Uncomment to enable SSH
environment:
- FTLCONF_LOCAL_IPV4=${FTLCONF_LOCAL_IPV4}
- TZ=${TZ:-UTC}
- WEBPASSWORD=${WEBPASSWORD}
- WEBTHEME=${WEBTHEME:-default-light}
- REV_SERVER=${REV_SERVER:-false}
- REV_SERVER_TARGET=${REV_SERVER_TARGET}
- REV_SERVER_DOMAIN=${REV_SERVER_DOMAIN}
- REV_SERVER_CIDR=${REV_SERVER_CIDR}
- PIHOLE_DNS_=127.0.0.1#5335
- DNSSEC="true"
- DNSMASQ_LISTENING=single
volumes:
- etc_pihole-unbound:/etc/pihole:rw
- etc_pihole_dnsmasq-unbound:/etc/dnsmasq.d:rw
restart: unless-stopped

[pluim003]

This is also mentioned in NLnetLabs/unbound#252 and in an issue here before: #178 . First link might give a solution.