fix(inputs.docker_log): Use correct name when matching container (#14874)

plugins/inputs/docker_log/docker_log.go

@@ -185,11 +185,13 @@ func (d *DockerLogs) matchedContainerName(names []string) string {
 	// this array is always of length 1.
 	for _, name := range names {
 		trimmedName := strings.TrimPrefix(name, "/")
+		if !strings.Contains(trimmedName, "/") {
 			match := d.containerFilter.Match(trimmedName)
 			if match {
 				return trimmedName
 			}
 		}
+	}
 	return ""
 }