diff --git a/sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r20.ebuild b/sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r21.ebuild
similarity index 97%
rename from sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r20.ebuild
rename to sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r21.ebuild
index 63a936ec2..53456722a 100644
--- a/sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r20.ebuild
+++ b/sys-apps/calculate-toolkit/calculate-toolkit-0.3.0-r21.ebuild
@@ -40,4 +40,5 @@ PATCHES=(
 	"${FILESDIR}"/${P}-clear_cache.patch
 	"${FILESDIR}"/${P}-mac.patch
 	"${FILESDIR}"/${P}-unique_veth_pair.patch
+	"${FILESDIR}"/${P}-noop_net.patch
 )
diff --git a/sys-apps/calculate-toolkit/files/calculate-toolkit-0.3.0-noop_net.patch b/sys-apps/calculate-toolkit/files/calculate-toolkit-0.3.0-noop_net.patch
new file mode 100644
index 000000000..83809b5d5
--- /dev/null
+++ b/sys-apps/calculate-toolkit/files/calculate-toolkit-0.3.0-noop_net.patch
@@ -0,0 +1,19 @@
+diff --git a/cl-lxc b/cl-lxc
+index 099a0ce..2cee054 100755
+--- a/cl-lxc
++++ b/cl-lxc
+@@ -477,12 +477,13 @@ create_lxc() {
+ 		net_conf=none
+ 		network_conf="lxc.net.0.type = none"
+ 		cp /etc/resolv.conf $path_lxc/rootfs/etc
++		echo -e "\nconfig_eth0=\"noop\"" >> $path_lxc/rootfs/etc/conf.d/net
+ 	else
+ 		net_conf=veth
+ 		local random_mac=$(printf '06:%02X:%02X:%02X:%02X:%02X\n' \
+ 			$[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256])
+ 		local veth_pair="lxc.net.0.veth.pair = lxc-${name_lxc::11}"
+-		if grep -q "$veth_pair" -r ${path_def}/*/config
++		if grep -q "$veth_pair" -r ${path_def}/*/config &>/dev/null
+ 		then
+ 			# исключим настройку сетевого имени, если такое уже используется
+ 			veth_pair="#${veth_pair}"
diff --git a/sys-apps/calculate-toolkit/files/patch b/sys-apps/calculate-toolkit/files/patch
new file mode 100644
index 000000000..83809b5d5
--- /dev/null
+++ b/sys-apps/calculate-toolkit/files/patch
@@ -0,0 +1,19 @@
+diff --git a/cl-lxc b/cl-lxc
+index 099a0ce..2cee054 100755
+--- a/cl-lxc
++++ b/cl-lxc
+@@ -477,12 +477,13 @@ create_lxc() {
+ 		net_conf=none
+ 		network_conf="lxc.net.0.type = none"
+ 		cp /etc/resolv.conf $path_lxc/rootfs/etc
++		echo -e "\nconfig_eth0=\"noop\"" >> $path_lxc/rootfs/etc/conf.d/net
+ 	else
+ 		net_conf=veth
+ 		local random_mac=$(printf '06:%02X:%02X:%02X:%02X:%02X\n' \
+ 			$[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256] $[RANDOM%256])
+ 		local veth_pair="lxc.net.0.veth.pair = lxc-${name_lxc::11}"
+-		if grep -q "$veth_pair" -r ${path_def}/*/config
++		if grep -q "$veth_pair" -r ${path_def}/*/config &>/dev/null
+ 		then
+ 			# исключим настройку сетевого имени, если такое уже используется
+ 			veth_pair="#${veth_pair}"