Temporarily disable test case causes kernel panic in CI:

- sys.netinet.so_reuseport_lb_test.basic_ipv6

PR:		246560
Sponsored by:	The FreeBSD Foundation

tests/sys/netinet/so_reuseport_lb_test.c

@@ -188,6 +188,9 @@ ATF_TC_BODY(basic_ipv6, tc)
 	int error, sds[16];
 	uint16_t port;
 
+	if (atf_tc_get_config_var_as_bool_wd(tc, "ci", false))
+		atf_tc_skip("https://bugs.freebsd.org/246560");
+
 	sds[0] = lb_listen_socket(PF_INET6, SOCK_NONBLOCK);
 
 	memset(&addr, 0, sizeof(addr));