Add support for NetBSD (#2023)

NetBSD can run Docker CLI and then use Docker on some remote machine
via DOCKER_HOST.

(This can be probably extended to all other Unix-es capable of running
just Docker CLI.)

Co-authored-by: ChristopherHX <christopher.homberger@web.de>

pkg/container/docker_logger.go

@@ -1,4 +1,4 @@
-//go:build !(WITHOUT_DOCKER || !(linux || darwin || windows))
+//go:build !(WITHOUT_DOCKER || !(linux || darwin || windows || netbsd))
 
 package container