/dev/slaacd.sock
UNIX-domain socket used for communication with slaacctl(8).
Stateless address autoconfiguration (slaac) daemon
slaacd [-dv]
[-s
socket]
slaacd is a stateless address autoconfiguration (SLAAC) daemon for clients. If an interface has the AUTOCONF6 flag set (auto configuration is enabled), slaacd regularly sends out requests for IPv6 router advertisement messages, such as those sent by rad(8), and uses those messages to configure the relevant interface.
See hostname.if(5) and ifconfig(8) on how to enable auto configuration on an interface.
slaacd monitors network interface states (interface going up or down, auto configuration enabled or disabled, etc.) and sends router solicitations when necessary. A running slaacd can be controlled with the slaacctl(8) utility.
The options are as follows:
-d
Do not daemonize. If this option is specified, slaacd will run in the foreground and log to stderr.
-s socket
Use an alternate location for the default control socket.
-v
Produce more verbose output. Multiple -v options increase the verbosity.
/dev/slaacd.sock
UNIX-domain socket used for communication with slaacctl(8).
20 releases since OpenBSD 6.2; the text changed 4 times.