diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c3e50eb5531..448626cd282 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -313,7 +313,7 @@ jobs:
           echo -e "Simulator CI Test Results: (only failures listed)\n"
           python3 ./tools/marvin/xunit-reader.py integration-test-results/
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           files: jacoco-coverage.xml
           fail_ci_if_error: true
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 4a748c2350a..a8f923d708d 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -49,7 +49,7 @@ jobs:
           cd nonoss && bash -x install-non-oss.sh && cd ..
           mvn -P quality -Dsimulator -Dnoredist clean install -T$(nproc)
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           files: ./client/target/site/jacoco-aggregate/jacoco.xml
           fail_ci_if_error: true
diff --git a/.github/workflows/ui.yml b/.github/workflows/ui.yml
index b3230eeaca3..476526aff32 100644
--- a/.github/workflows/ui.yml
+++ b/.github/workflows/ui.yml
@@ -55,7 +55,7 @@ jobs:
           npm run lint
           npm run test:unit
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           working-directory: ui
           files: ./coverage/lcov.info
diff --git a/systemvm/debian/opt/cloud/bin/cs/CsDhcp.py b/systemvm/debian/opt/cloud/bin/cs/CsDhcp.py
index 0c430227048..46259dcb356 100755
--- a/systemvm/debian/opt/cloud/bin/cs/CsDhcp.py
+++ b/systemvm/debian/opt/cloud/bin/cs/CsDhcp.py
@@ -127,7 +127,7 @@ class CsDhcp(CsDataBag):
             line = "dhcp-option=%s,26,%s" % (device, i['mtu'])
             self.conf.search(sline, line)
 
-        # Netmask
+            # Netmask
             netmask = ''
             if self.config.is_vpc():
                 netmask = gn.get_netmask()
diff --git a/systemvm/debian/opt/cloud/bin/cs/CsHelper.py b/systemvm/debian/opt/cloud/bin/cs/CsHelper.py
index 926ea5f10d0..635a9d69882 100755
--- a/systemvm/debian/opt/cloud/bin/cs/CsHelper.py
+++ b/systemvm/debian/opt/cloud/bin/cs/CsHelper.py
@@ -113,22 +113,20 @@ def bool_to_yn(val):
 def get_device_info():
     """ Returns all devices on system with their ipv4 ip netmask """
     list = []
+    mtu = None
     for i in execute("ip addr show |grep -v secondary"):
         vals = i.strip().lstrip().rstrip().split()
         if re.search('[0-9]:', vals[0]):
-            to = {}
-            to['mtu'] = vals[4]
-            list.append(to)
+            mtu = vals[4]
 
         if vals[0] == "inet":
-            if len(list) > 0:
-                to = list.pop(len(list)-1)
-            else:
-                to = {}
+            to = {}
             to['ip'] = vals[1]
             to['dev'] = vals[-1]
             to['network'] = IPNetwork(to['ip'])
             to['dnsmasq'] = False
+            if mtu:
+                to['mtu'] = mtu
             list.append(to)
     return list
 
diff --git a/ui/src/views/compute/wizard/NetworkConfiguration.vue b/ui/src/views/compute/wizard/NetworkConfiguration.vue
index ac2194cff97..eb5095a8b6a 100644
--- a/ui/src/views/compute/wizard/NetworkConfiguration.vue
+++ b/ui/src/views/compute/wizard/NetworkConfiguration.vue
@@ -263,7 +263,7 @@ export default {
         return Promise.resolve()
       } else if (!this.ipV4Regex.test(value)) {
         return Promise.reject(this.$t('message.error.ipv4.address'))
-      } else if (rule.networkType !== 'L2' && !this.isIp4InCidr(value, rule.cidr)) {
+      } else if (rule.networkType === 'Isolated' && !this.isIp4InCidr(value, rule.cidr)) {
         const rangeIps = this.calculateCidrRange(rule.cidr)
         const message = `${this.$t('message.error.ip.range')} ${this.$t('label.from')} ${rangeIps[0]} ${this.$t('label.to')} ${rangeIps[1]}`
         return Promise.reject(message)