diff --git a/sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r20.ebuild b/sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r20.ebuild
new file mode 100644
index 000000000..63a936ec2
--- /dev/null
+++ b/sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r20.ebuild
@@ -0,0 +1,43 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+EAPI="7"
+PYTHON_COMPAT=( python3_{9..10} )
+
+SRC_URI="https://git.calculate-linux.org/calculate/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+DESCRIPTION="Collection of administration scripts for Calculate"
+HOMEPAGE="https://www.calculate-linux.org"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+
+S=${WORKDIR}/${PN}
+
+RDEPEND=">=sys-apps/calculate-utils-3.6
+	app-arch/zstd
+	app-arch/xz-utils"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-check-lxc.patch
+	"${FILESDIR}"/${P}-workdir.patch
+	"${FILESDIR}"/${P}-no-validate.patch
+	"${FILESDIR}"/${P}-root.patch
+	"${FILESDIR}"/${P}-var.patch
+	"${FILESDIR}"/${P}-clear.patch
+	"${FILESDIR}"/${P}-restore-init.patch
+	"${FILESDIR}"/${P}-skipcom.patch
+	"${FILESDIR}"/${P}-fix-ccg.patch
+	"${FILESDIR}"/${P}-check_mkdir.patch
+	"${FILESDIR}"/${P}-ssh_keys.patch
+	"${FILESDIR}"/${P}-check_files.patch
+	"${FILESDIR}"/${P}-cdc.patch
+	"${FILESDIR}"/${P}-cdc_support.patch
+	"${FILESDIR}"/${P}-gentoo.patch
+	"${FILESDIR}"/${P}-pruning.patch
+	"${FILESDIR}"/${P}-clear_cache.patch
+	"${FILESDIR}"/${P}-mac.patch
+	"${FILESDIR}"/${P}-unique_veth_pair.patch
+)
diff --git a/sys-apps/calculate-toolkit/files/calculate-toolkit-0.3.0-unique_veth_pair.patch b/sys-apps/calculate-toolkit/files/calculate-toolkit-0.3.0-unique_veth_pair.patch
new file mode 100644
index 000000000..369dbd0bc
--- /dev/null
+++ b/sys-apps/calculate-toolkit/files/calculate-toolkit-0.3.0-unique_veth_pair.patch
@@ -0,0 +1,27 @@
+diff --git a/cl-lxc b/cl-lxc
+index 9072aed..099a0ce 100755
+--- a/cl-lxc
++++ b/cl-lxc
+@@ -479,13 +479,20 @@ create_lxc() {
+ 		cp /etc/resolv.conf $path_lxc/rootfs/etc
+ 	else
+ 		net_conf=veth
+-		local random_mac=$(printf '06:%02X:%02X:%02X:%02X:%02X\n' $[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256])
++		local random_mac=$(printf '06:%02X:%02X:%02X:%02X:%02X\n' \
++			$[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256])
++		local veth_pair="lxc.net.0.veth.pair = lxc-${name_lxc::11}"
++		if grep -q "$veth_pair" -r ${path_def}/*/config
++		then
++			# исключим настройку сетевого имени, если такое уже используется
++			veth_pair="#${veth_pair}"
++		fi
+ 		network_conf="lxc.net.0.type = veth
+ lxc.net.0.flags = up
+ lxc.net.0.name = eth0
+ lxc.net.0.link = br0
+ lxc.net.0.hwaddr = ${random_mac}
+-lxc.net.0.veth.pair = lxc-${name_lxc}"
++${veth_pair}"
+ 	fi
+ 
+ 	# перенесем базовый config удалив настройку сети