Add

nectl router static route add [flags]

  nectl router static route add --router-uuid 9c4fe0e5-66ba-40d3-bda2-01233d157a56 \
  --prefix 0.0.0.0/0 --nexthop 172.16.3.254
  nectl router static route add --router-uuid 9c4fe0e5-66ba-40d3-bda2-01233d157a56 \
  --prefix 0.0.0.0/0 --nexthop 172.16.3.254,172.16.3.100

  -h, --help                 help for add
      --nexthop string       next-hop for prefix (comma separated)
      --prefix string        destination IP prefix
      --router-uuid string   Router UUID

      --host string   gRPC server host (default "127.0.0.1")
      --port uint16   gRPC server port (default 30666)