Bad response from nameserver when querying namespace

By the way, I can do this from the frontend server without any issues:

[root@ctafrontend-0 yum.repos.d]# eos-grpc-md --endpoint eos-mgm-0.mgm.cta.svc.cluster.archive:50051 --token {TOKENREDACTED} -l /eos/
{
 "type": "CONTAINER",
 "cmd": {
  "id": "2",
  "parentId": "1",
  "uid": "0",
  "gid": "0",
  "treeSize": "5152810716748769",
  "mode": 16893,
  "flags": 0,
  "name": "ZW9z",
  "ctime": {
   "sec": "1634011886",
   "nSec": "919833620"
  },
  "mtime": {
   "sec": "0",
   "nSec": "140145143686310"
  },
  "stime": {
   "sec": "0",
   "nSec": "140145143686310"
  },
  "xattrs": {
   "sys.forced.checksum": "YWRsZXI=",
   "sys.forced.layout": "cmVwbGljYQ=="
  },
  "path": "L2Vvcy8=",
  "etag": "2:0.140145143"
 }
}

{
 "type": "CONTAINER",
 "cmd": {
  "id": "3",
  "parentId": "2",
  "uid": "0",
  "gid": "0",
  "treeSize": "5152810716748769",
  "mode": 16893,
  "flags": 0,
  "name": "Y3Rh",
  "ctime": {
   "sec": "1634011886",
   "nSec": "919965798"
  },
  "mtime": {
   "sec": "1675126965",
   "nSec": "966450275"
  },
  "stime": {
   "sec": "1675126965",
   "nSec": "966450275"
  },
  "xattrs": {
   "sys.forced.checksum": "YWRsZXI=",
   "sys.forced.layout": "cmVwbGljYQ=="
  },
  "path": "L2Vvcy9jdGEv",
  "etag": "3:1675126965.966"
 }
}

request took 3103 micro seconds