Does loglevel work?

[micheljung]

In docker-compose.yml

version: "3.8"

services:
  ldap-server:
    image: osixia/openldap:1.5.0
    command: [ "--loglevel", "warning", "--copy-service" ]
    volumes:
      - ./ldap-server/bootstrap.ldif:/container/service/slapd/assets/config/bootstrap/ldif/50-bootstrap.ldif:Z
    environment:
      LDAP_ADMIN_PASSWORD: admin
      LDAP_ORGANIZATION: example
      LDAP_BASE_DN: o=example,c=com
      LDAP_DOMAIN: com
      LDAP_TLS: false

10:10:39    Backing up /etc/ldap/slapd.d in /var/backups/slapd-2.4.57+dfsg-1~bpo10+1... done.
10:10:39    Creating initial configuration... done.
10:10:39    Creating LDAP directory... done.
10:10:39  invoke-rc.d: could not determine current runlevel
10:10:39  invoke-rc.d: policy-rc.d denied execution of restart.
10:10:39  config file testing succeeded
10:10:39  63bbd889 @(#) $OpenLDAP: slapd 2.4.57+dfsg-1~bpo10+1 (Jan 30 2021 06:59:51) $
10:10:39  	Debian OpenLDAP Maintainers <[email protected]>
10:10:39  63bbd889 slapd starting
10:10:39  63bbd96a conn=1000 fd=12 ACCEPT from IP=127.0.0.1:35498 (IP=0.0.0.0:389)
10:10:39  63bbd96a conn=1000 op=0 BIND dn="cn=admin,o=example,c=com" method=128
10:10:39  63bbd96a conn=1000 op=0 BIND dn="cn=admin,o=example,c=com" mech=SIMPLE ssf=0
10:10:39  63bbd96a conn=1000 op=0 RESULT tag=97 err=0 text=
10:10:39  63bbd96a conn=1000 op=1 SRCH base="ou=examplePartner,o=example,c=com" scope=2 deref=3 filter="(uid=application)"
10:10:39  63bbd96a conn=1000 op=1 SEARCH RESULT tag=101 err=0 nentries=0 text=
10:10:39  63bbd96a conn=1000 op=2 UNBIND
10:10:39  63bbd96a conn=1000 fd=12 closed
10:10:39  63bbd96a conn=1001 fd=12 ACCEPT from IP=127.0.0.1:35510 (IP=0.0.0.0:389)
10:10:39  63bbd96a conn=1001 op=0 BIND dn="cn=admin,o=example,c=com" method=128
10:10:39  63bbd96a conn=1001 op=0 BIND dn="cn=admin,o=example,c=com" mech=SIMPLE ssf=0
10:10:39  63bbd96a conn=1001 op=0 RESULT tag=97 err=0 text=
10:10:39  63bbd96a conn=1001 op=1 SRCH base="ou=examplePartner,o=example,c=com" scope=2 deref=3 filter="(uid=application)"
10:10:39  63bbd96a conn=1001 op=1 SEARCH RESULT tag=101 err=0 nentries=0 text=
10:10:39  63bbd96a conn=1001 op=2 UNBIND
10:10:39  63bbd96a conn=1001 fd=12 closed
10:10:39  63bbd96a connection_read(12): no connection!
10:10:39  63bbd96a conn=1002 fd=12 ACCEPT from IP=127.0.0.1:35520 (IP=0.0.0.0:389)
10:10:39  63bbd96a conn=1002 op=0 BIND dn="cn=admin,o=example,c=com" method=128
10:10:39  63bbd96a conn=1002 op=0 BIND dn="cn=admin,o=example,c=com" mech=SIMPLE ssf=0
10:10:39  63bbd96a conn=1002 op=0 RESULT tag=97 err=0 text=
10:10:39  63bbd96a conn=1002 op=1 SRCH base="ou=examplePartner,o=example,c=com" scope=2 deref=3 filter="(uid=application)"
10:10:39  63bbd96a conn=1002 op=1 SEARCH RESULT tag=101 err=0 nentries=0 text=
10:10:39  63bbd96a conn=1002 op=2 UNBIND
10:10:39  63bbd96a conn=1002 fd=12 closed

[10'0000 more such lines]

I don't think these are of type warning