diff --git a/neutron/privileged/agent/linux/ip_lib.py b/neutron/privileged/agent/linux/ip_lib.py
index c3106285a55..c4af147a57a 100644
--- a/neutron/privileged/agent/linux/ip_lib.py
+++ b/neutron/privileged/agent/linux/ip_lib.py
@@ -243,12 +243,7 @@ def _translate_ip_device_exception(e, device=None, namespace=None):
 
 def get_link_id(device, namespace, raise_exception=True):
     with get_iproute(namespace) as ip:
-        # TODO(ralonsoh): remove try block when the mininimum pyroute2 version
-        # is >= 0.5.13
-        try:
-            link_id = ip.link_lookup(ifname=device)
-        except NetlinkError:
-            link_id = None
+        link_id = ip.link_lookup(ifname=device)
     if not link_id or len(link_id) < 1:
         if raise_exception:
             raise NetworkInterfaceNotFound(device=device, namespace=namespace)