Kernel 5.5.0: journalctl | grep -i avahi
Feb 02 13:57:05 DC1 systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
Feb 02 13:57:05 DC1 systemd[1]: Starting Avahi mDNS/DNS-SD Stack...
Feb 02 13:57:05 DC1 avahi-daemon[4314]: Found user 'avahi' (UID 112) and group 'avahi' (GID 122).
Feb 02 13:57:05 DC1 avahi-daemon[4314]: Successfully dropped root privileges.
Feb 02 13:57:05 DC1 avahi-daemon[4314]: avahi-daemon 0.6.32-rc starting up.
Feb 02 13:57:06 DC1 systemd[1]: Started Avahi DNS Configuration Daemon.
Feb 02 13:57:06 DC1 avahi-daemon[4314]: Successfully called chroot().
Feb 02 13:57:06 DC1 avahi-daemon[4314]: Successfully dropped remaining capabilities.
Feb 02 13:57:06 DC1 avahi-daemon[4314]: No service file found in /etc/avahi/services.
Feb 02 13:57:06 DC1 avahi-daemon[4314]: Network interface enumeration completed.
Feb 02 13:57:06 DC1 avahi-daemon[4314]: Server startup complete. Host name is DC1.local. Local service cookie is 3202921551.
Feb 02 13:57:06 DC1 avahi-daemon[4314]: Failed to parse address 'localhost', ignoring.
Feb 02 13:57:06 DC1 avahi-dnsconfd[4487]: Successfully connected to Avahi daemon.
Feb 02 13:57:06 DC1 systemd[1]: Started Avahi mDNS/DNS-SD Stack.
Feb 02 13:57:07 DC1 root[4749]: /etc/dhcp/dhclient-enter-hooks.d/avahi-autoipd returned non-zero exit status 1
Feb 02 13:57:07 DC1 avahi-daemon[4314]: Joining mDNS multicast group on interface enP4096p4s4.IPv4 with address 192.168.178.47.
Feb 02 13:57:07 DC1 avahi-daemon[4314]: New relevant interface enP4096p4s4.IPv4 for mDNS.
Feb 02 13:57:07 DC1 avahi-daemon[4314]: Registering new address record for 192.168.178.47 on enP4096p4s4.IPv4.
Feb 02 13:57:09 DC1 avahi-daemon[4314]: Joining mDNS multicast group on interface enP4096p4s4.IPv6 with address fe80::250:fcff:fecb:5181.
Feb 02 13:57:09 DC1 avahi-daemon[4314]: New relevant interface enP4096p4s4.IPv6 for mDNS.
Feb 02 13:57:09 DC1 avahi-daemon[4314]: Registering new address record for fe80::250:fcff:fecb:5181 on enP4096p4s4.*.
Feb 02 13:57:10 DC1 avahi-daemon[4314]: Leaving mDNS multicast group on interface enP4096p4s4.IPv6 with address fe80::250:fcff:fecb:5181.
Feb 02 13:57:10 DC1 avahi-daemon[4314]: Joining mDNS multicast group on interface enP4096p4s4.IPv6 with address 2a02:8109:89c0:ebfc:250:fcff:fecb:5181.
Feb 02 13:57:10 DC1 avahi-daemon[4314]: Registering new address record for 2a02:8109:89c0:ebfc:250:fcff:fecb:5181 on enP4096p4s4.*.
Feb 02 13:57:10 DC1 avahi-daemon[4314]: Withdrawing address record for fe80::250:fcff:fecb:5181 on enP4096p4s4.


------


Latest Git kernel (5.6): journalctl | grep -i avahi

Feb 02 14:04:04 DC1 systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
Feb 02 14:04:05 DC1 systemd[1]: Started Avahi DNS Configuration Daemon.
Feb 02 14:04:05 DC1 systemd[1]: Starting Avahi mDNS/DNS-SD Stack...
Feb 02 14:04:05 DC1 avahi-daemon[4573]: Found user 'avahi' (UID 112) and group 'avahi' (GID 122).
Feb 02 14:04:05 DC1 avahi-daemon[4573]: Successfully dropped root privileges.
Feb 02 14:04:05 DC1 avahi-daemon[4573]: avahi-daemon 0.6.32-rc starting up.
Feb 02 14:04:05 DC1 avahi-daemon[4573]: Successfully called chroot().
Feb 02 14:04:05 DC1 avahi-daemon[4573]: Successfully dropped remaining capabilities.
Feb 02 14:04:05 DC1 avahi-daemon[4573]: No service file found in /etc/avahi/services.
Feb 02 14:04:05 DC1 avahi-daemon[4573]: Network interface enumeration completed.
Feb 02 14:04:05 DC1 avahi-daemon[4573]: Server startup complete. Host name is DC1.local. Local service cookie is 285370789.
Feb 02 14:04:05 DC1 avahi-daemon[4573]: Failed to parse address 'localhost', ignoring.
Feb 02 14:04:05 DC1 avahi-dnsconfd[4425]: Successfully connected to Avahi daemon.
Feb 02 14:04:05 DC1 root[4642]: /etc/dhcp/dhclient-enter-hooks.d/avahi-autoipd returned non-zero exit status 1
Feb 02 14:04:06 DC1 systemd[1]: Started Avahi mDNS/DNS-SD Stack.
Feb 02 14:04:06 DC1 avahi-daemon[4573]: Joining mDNS multicast group on interface enP4096p4s4.IPv4 with address 192.168.178.47.
Feb 02 14:04:06 DC1 avahi-daemon[4573]: New relevant interface enP4096p4s4.IPv4 for mDNS.
Feb 02 14:04:06 DC1 avahi-daemon[4573]: Registering new address record for 192.168.178.47 on enP4096p4s4.IPv4.
Feb 02 14:04:08 DC1 avahi-daemon[4573]: Joining mDNS multicast group on interface enP4096p4s4.IPv6 with address fe80::250:fcff:fecb:5181.
Feb 02 14:04:08 DC1 avahi-daemon[4573]: New relevant interface enP4096p4s4.IPv6 for mDNS.
Feb 02 14:04:08 DC1 avahi-daemon[4573]: Registering new address record for fe80::250:fcff:fecb:5181 on enP4096p4s4.*.
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
...
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:08 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:09 DC1 avahi-daemon[4573]: Leaving mDNS multicast group on interface enP4096p4s4.IPv6 with address fe80::250:fcff:fecb:5181.
Feb 02 14:04:09 DC1 avahi-daemon[4573]: Joining mDNS multicast group on interface enP4096p4s4.IPv6 with address 2a02:8109:89c0:ebfc:250:fcff:fecb:5181.
Feb 02 14:04:09 DC1 avahi-daemon[4573]: Registering new address record for 2a02:8109:89c0:ebfc:250:fcff:fecb:5181 on enP4096p4s4.*.
Feb 02 14:04:09 DC1 avahi-daemon[4573]: Withdrawing address record for fe80::250:fcff:fecb:5181 on enP4096p4s4.
Feb 02 14:04:28 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:28 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:28 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:28 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:28 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:28 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
...
Feb 02 14:04:29 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:29 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:29 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:35 DC1 systemd-journald[2489]: Suppressed 513915 messages from /system.slice/avahi-daemon.service
Feb 02 14:04:35 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:35 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:04:35 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device


------


Latest Git kernel (5.6): systemctl status avahi-daemon
● avahi-daemon.service - Avahi mDNS/DNS-SD Stack
   Loaded: loaded (/lib/systemd/system/avahi-daemon.service; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2020-02-02 14:04:06 CET; 11min ago
 Main PID: 4573 (avahi-daemon)
   Status: "avahi-daemon 0.6.32-rc starting up."
   CGroup: /system.slice/avahi-daemon.service
           ├─4573 avahi-daemon: running [DC1.local]
           └─4581 avahi-daemon: chroot helper

Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device
Feb 02 14:15:34 DC1 avahi-daemon[4573]: ioctl(): Inappropriate ioctl for device


------