diff --git a/daemon/core/nodes/base.py b/daemon/core/nodes/base.py
index ac67e8de..72fc0fe1 100644
--- a/daemon/core/nodes/base.py
+++ b/daemon/core/nodes/base.py
@@ -139,7 +139,7 @@ class NodeBase:
         if sort:
             return [self._netif[x] for x in sorted(self._netif)]
         else:
-            return self._netif.values()
+            return list(self._netif.values())
 
     def numnetif(self):
         """
@@ -158,11 +158,9 @@ class NodeBase:
         :return: interface index if found, -1 otherwise
         :rtype: int
         """
-
         for ifindex in self._netif:
             if self._netif[ifindex] is netif:
                 return ifindex
-
         return -1
 
     def newifindex(self):
diff --git a/daemon/core/nodes/network.py b/daemon/core/nodes/network.py
index 1654a4a6..756de0e2 100644
--- a/daemon/core/nodes/network.py
+++ b/daemon/core/nodes/network.py
@@ -257,7 +257,7 @@ class CoreNetwork(CoreNetworkBase):
             will run on, default is None for localhost
         :param policy: network policy
         """
-        CoreNetworkBase.__init__(self, session, _id, name, start, server)
+        super().__init__(session, _id, name, start, server)
         if name is None:
             name = str(self.id)
         if policy is not None:
@@ -346,8 +346,7 @@ class CoreNetwork(CoreNetworkBase):
         """
         if self.up:
             netif.net_client.create_interface(self.brname, netif.localname)
-
-        CoreNetworkBase.attach(self, netif)
+        super().attach(netif)
 
     def detach(self, netif):
         """
@@ -358,8 +357,7 @@ class CoreNetwork(CoreNetworkBase):
         """
         if self.up:
             netif.net_client.delete_interface(self.brname, netif.localname)
-
-        CoreNetworkBase.detach(self, netif)
+        super().detach(netif)
 
     def linked(self, netif1, netif2):
         """
@@ -652,7 +650,7 @@ class GreTapBridge(CoreNetwork):
 
         :return: nothing
         """
-        CoreNetwork.startup(self)
+        super().startup()
         if self.gretap:
             self.attach(self.gretap)
 
@@ -666,7 +664,7 @@ class GreTapBridge(CoreNetwork):
             self.detach(self.gretap)
             self.gretap.shutdown()
             self.gretap = None
-        CoreNetwork.shutdown(self)
+        super().shutdown()
 
     def addrconfig(self, addrlist):
         """
@@ -753,7 +751,7 @@ class CtrlNet(CoreNetwork):
         self.assign_address = assign_address
         self.updown_script = updown_script
         self.serverintf = serverintf
-        CoreNetwork.__init__(self, session, _id, name, start, server)
+        super().__init__(session, _id, name, start, server)
 
     def add_addresses(self, address):
         """
@@ -784,8 +782,7 @@ class CtrlNet(CoreNetwork):
         if self.net_client.existing_bridges(self.id):
             raise CoreError(f"old bridges exist for node: {self.id}")
 
-        CoreNetwork.startup(self)
-
+        super().startup()
         logging.info("added control network bridge: %s %s", self.brname, self.prefix)
 
         if self.hostid and self.assign_address:
@@ -833,7 +830,7 @@ class CtrlNet(CoreNetwork):
             except CoreCommandError:
                 logging.exception("error issuing shutdown script shutdown")
 
-        CoreNetwork.shutdown(self)
+        super().shutdown()
 
     def all_link_data(self, flags):
         """
@@ -864,8 +861,7 @@ class PtpNet(CoreNetwork):
             raise ValueError(
                 "Point-to-point links support at most 2 network interfaces"
             )
-
-        CoreNetwork.attach(self, netif)
+        super().attach(netif)
 
     def data(self, message_type, lat=None, lon=None, alt=None):
         """
@@ -1017,7 +1013,7 @@ class HubNode(CoreNetwork):
             will run on, default is None for localhost
         :raises CoreCommandError: when there is a command exception
         """
-        CoreNetwork.__init__(self, session, _id, name, start, server)
+        super().__init__(session, _id, name, start, server)
 
         # TODO: move to startup method
         if start:
@@ -1048,7 +1044,7 @@ class WlanNode(CoreNetwork):
             will run on, default is None for localhost
         :param policy: wlan policy
         """
-        CoreNetwork.__init__(self, session, _id, name, start, server, policy)
+        super().__init__(session, _id, name, start, server, policy)
         # wireless model such as basic range
         self.model = None
         # mobility model such as scripted
@@ -1065,7 +1061,7 @@ class WlanNode(CoreNetwork):
         :param core.nodes.interface.Veth netif: network interface
         :return: nothing
         """
-        CoreNetwork.attach(self, netif)
+        super().attach(netif)
         if self.model:
             netif.poshook = self.model.position_callback
             if netif.node is None:
@@ -1097,12 +1093,12 @@ class WlanNode(CoreNetwork):
 
     def update_mobility(self, config):
         if not self.mobility:
-            raise ValueError("no mobility set to update for node(%s)", self.id)
+            raise ValueError(f"no mobility set to update for node({self.id})")
         self.mobility.update_config(config)
 
     def updatemodel(self, config):
         if not self.model:
-            raise ValueError("no model set to update for node(%s)", self.id)
+            raise ValueError(f"no model set to update for node({self.id})")
         logging.debug(
             "node(%s) updating model(%s): %s", self.id, self.model.name, config
         )
@@ -1120,11 +1116,9 @@ class WlanNode(CoreNetwork):
         :return: list of link data
         :rtype: list[core.emulator.data.LinkData]
         """
-        all_links = CoreNetwork.all_link_data(self, flags)
-
+        all_links = super().all_link_data(flags)
         if self.model:
             all_links.extend(self.model.all_link_data(flags))
-
         return all_links