XDP/Mellanox: T7223: Fixed interfaces initialization

python/vyos/vpp/control_host.py

@@ -21,6 +21,8 @@
 from subprocess import run
 from time import sleep
 
+from pyroute2 import IPRoute
+
 from vyos.vpp.utils import EthtoolGDrvinfo
 
 
@@ -361,3 +363,13 @@ def set_status(iface_name: str, status: str) -> None:
         status (str): status - "up" or "down"
     """
     run(['ip', 'link', 'set', iface_name, status])
+
+
+def flush_ip(iface_name: str) -> None:
+    """Flush IP addresses from an interface
+
+    Args:
+        iface_name (str): name of an interface
+    """
+    iproute = IPRoute()
+    iproute.flush_addr(label=iface_name)

src/conf_mode/vpp.py

@@ -693,13 +693,15 @@ def apply(config):
                     if 'promisc' in iface_config['xdp_options']:
                         control_host.set_promisc(f'defunct_{iface}', 'on')
                     control_host.set_status(f'defunct_{iface}', 'up')
+                    control_host.flush_ip(f'defunct_{iface}')
                 # Rename Mellanox interfaces to hide them and create LCP properly
                 if (
                     iface in Section.interfaces()
                     and control_host.get_eth_driver(iface) == 'mlx5_core'
                 ):
                     control_host.rename_iface(iface, f'defunct_{iface}')
                     control_host.set_status(f'defunct_{iface}', 'up')
+                    control_host.flush_ip(f'defunct_{iface}')
                 # Create lcp
                 if iface not in Section.interfaces():
                     vpp_control.lcp_pair_add(iface, iface)