On adding an interface to VPP dataplane, if it has any configuration on it already (addresses etc), VPP fails the first time, with the below error. The 2nd commit actually makes the interfaces intended to configure, along with their addresses/SVIs, disappear, effectively breaking the router.
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/vpp.py", line 204, in <module>
apply(c)
File "/usr/libexec/vyos/conf_mode/vpp.py", line 192, in apply
vpp_control.lcp_pair_add(iface, iface)
File "/usr/lib/python3/dist-packages/vyos/vpp.py", line 66, in check_retval_wrapper
return_value = decorated_func(cls, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vyos/vpp.py", line 49, in api_safe_wrapper
return decorated_func(cls, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vyos/vpp.py", line 163, in lcp_pair_add
return self.vpp_api_client.api.lcp_itf_pair_add_del(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vpp_papi/vpp_papi.py", line 129, in __call__
return self._func(**kwargs)
^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vpp_papi/vpp_papi.py", line 526, in f
return self._call_vpp(i, msg, multipart, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vpp_papi/vpp_papi.py", line 794, in _call_vpp
raise VPPIOError(2, "VPP API client: read failed")
vpp_papi.vpp_papi.VPPIOError: [Errno 2] VPP API client: read failed