diff --git a/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/Manifest b/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/Manifest
new file mode 100644
index 0000000000..59c4597a62
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/Manifest
@@ -0,0 +1 @@
+DIST ethertypes-0.gz 770 BLAKE2B d3d14fd99da30d5c4b366edc003653089468358323a58afd71770de1432588413d38ddf3c3f77b0b79a90d761e1e9c677efe594b64a995f6acdcda2b92da61f0 SHA512 62a88a76b3c3ce54b7c4b457cfdd7ea0d13e9deeebd485d37cfcbfa1cc1adba4bd82944e8d0a093c07594b88726376ff53bf70f61ca91a90af5550a455fe6643
diff --git a/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/ethertypes-0.ebuild b/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/ethertypes-0.ebuild
new file mode 100644
index 0000000000..7990052a33
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/ethertypes-0.ebuild
@@ -0,0 +1,25 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DESCRIPTION="Maps ethernet frame ids to symbolic names"
+HOMEPAGE="https://netfilter.org/"
+# File extracted from the iptables tarball
+SRC_URI="https://dev.gentoo.org/~floppym/dist/${P}.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86"
+
+RDEPEND="
+	!<net-firewall/ebtables-2.0.10.4-r2
+	!<net-firewall/iptables-1.6.2-r2[nftables(-)]
+"
+
+S=${WORKDIR}
+
+src_install() {
+	insinto /etc
+	newins "${P}" ethertypes
+}
diff --git a/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/metadata.xml b/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/metadata.xml
new file mode 100644
index 0000000000..f540000d5a
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/net-misc/ethertypes/metadata.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>base-system@gentoo.org</email>
+	</maintainer>
+</pkgmetadata>