[FROG] how to make FRR know about configured netns on a centos system?

[Roman Dodin]

Hi all,
I have a centos7 system with netns pre-created and populated with an
interface:

$ sudo ip netns exec ns-data ip -4 -br a
lo               UNKNOWN        127.0.0.1/8
eth1             UP             192.168.1.101/24

Whereas my base routing instance has a management interface:

$ ip -4 -br a
lo               UNKNOWN        127.0.0.1/8
eth0             UP             10.0.0.101/24

I want to run vtysh and be able to navigate/configure these VRFs, but I
cant see the ns-data VRF even if I launch vtysh in that namespace.

[centos at pc1 ~]$ sudo vtysh

pc1.nuage.lab# show interface
Interface eth0 is up, line protocol is up
  Link ups:       0    last: (never)
  Link downs:     0    last: (never)
  vrf: Default-IP-Routing-Table
  index 2 metric 0 mtu 1500 speed 4294967295
  flags: <UP,BROADCAST,RUNNING,MULTICAST>
  Type: Ethernet
  HWaddr: fa:16:3e:28:67:f8
  inet 10.0.0.101/24 broadcast 10.0.0.255
  inet6 fe80::f816:3eff:fe28:67f8/64
  Interface Type Other
Interface lo is up, line protocol is up
  Link ups:       0    last: (never)
  Link downs:     0    last: (never)
  vrf: Default-IP-Routing-Table
  index 1 metric 0 mtu 65536 speed 0
  flags: <UP,LOOPBACK,RUNNING>
  Type: Loopback
  Interface Type Other

pc1.nuage.lab# show vrf
vrf ns-data inactive

If I try to create a VRF with a namespace name mathing my existing netns, I
got this error:

pc1.nuage.lab(config)# vrf ns-data
pc1.nuage.lab(config-vrf)# netns ns-data
% [ZEBRA] Unknown command: netns ns-data

What am I doing wrong here?

--
BR,
Roman Dodin
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