Can't specify DNSCrypt-Proxy 2 Listen Address

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you'll find some instructions in this old article, showing how to run unbound, dnscrypt-proxy and stubby all on the same system.

partial content of my current unbound.conf:

server:
	logfile: /unbound.log
	log-time-ascii: yes
	verbosity: 1
	interface: 127.10.10.2@5552
	do-ip4: yes
	do-udp: yes
	do-tcp: yes

partial content of /opt/dnscrypt-proxy/dnscrypt-proxy.toml:

server_names = ['scaleway-fr', 'de.dnsmaschine.net', 'dnscrypt.me']
listen_addresses = ['127.10.10.4:5554']
ipv4_servers = true
dnscrypt_servers = true
doh_servers = true
require_dnssec = true
require_nolog = true
require_nofilter = true

output from sudo netstat -tulpen | grep 555 (list both port 5554 and port 5552)

pi@raspberrypi:~ $ sudo netstat -tulpen | grep 555
tcp        0      0 127.10.10.2:5552        0.0.0.0:*               LISTEN      0          13515      802/unbound
tcp        0      0 127.10.10.4:5554        0.0.0.0:*               LISTEN      0          12460      276/dnscrypt-proxy
udp        0      0 127.10.10.2:5552        0.0.0.0:*                           0          13514      802/unbound
udp        0      0 127.10.10.4:5554        0.0.0.0:*                           0          12459      276/dnscrypt-proxy

edit
partial content of /etc/dnsmasq.d/01-pihole.conf:

# dnscrypt-proxy v2
server=127.10.10.4#5554
# unbound
server=127.10.10.2#5552

/edit