bonding: T2367: flush all addresses of member interfaces

Any remaining addresses of an interface (e.g. IPv6 link-local) will be flushed
when adding a member.
A direct call to ip is necessary for interfaces not under the Interface class
(e.g. vlan vif*)

1 files changed, 7 insertions, 1 deletions

diff --git a/src/conf_mode/interfaces-bonding.py b/src/conf_mode/interfaces-bonding.py
index 4aef486b4..4ec30ca0a 100755
--- a/src/conf_mode/interfaces-bonding.py
+++ b/src/conf_mode/interfaces-bonding.py
@@ -24,7 +24,7 @@ from vyos.ifconfig import BondIf, Section
 from vyos.ifconfig_vlan import apply_vlan_config, verify_vlan_config
 from vyos.configdict import list_diff, vlan_to_dict
 from vyos.config import Config
-from vyos.util import call
+from vyos.util import call, cmd
 from vyos.validate import is_bridge_member
 from vyos import ConfigError
 
@@ -492,6 +492,12 @@ def apply(bond):
 
             # Add (enslave) interfaces to bond
             for intf in bond['member']:
+                # flushes only children of Interfaces class (e.g. vlan are not)
+                if intf in Section.interfaces():
+                    klass = Section.klass(intf, vlan=False)
+                    klass(intf, create=False).flush_addrs()
+                # flushes also vlan interfaces
+                call(f'ip addr flush dev "{intf}"')
                 b.add_port(intf)
 
         # As the bond interface is always disabled first when changing