o- nvmf ...................................................................................................................... [...]
  o- subsystem ..................................................................................................... [Subsystems: 4]
    o- nqn.2014-08.org.nvmexpress.discovery ......................................................... [st=Discovery, Allow any host]
    | o- hosts .......................................................................................................... [Hosts: 0]
    | o- listen_addresses ........................................................................................... [Addresses: 0]
    o- nqn.2014-08.org.spdk:cnode1 ...................................................... [sn=$(S), st=NVMe, Allow any host]
    | o- hosts .......................................................................................................... [Hosts: 1]
    | | o- nqn.2014-08.org.spdk:cnode2 ....................................................................................... [...]
    | o- listen_addresses ........................................................................................... [Addresses: 3]
    | | o- $(N).$(N).$(N).$(N):4260 $(S) [RDMA]
    | | o- $(N).$(N).$(N).$(N):4261 $(S) [RDMA]
    | | o- $(N).$(N).$(N).$(N):4262 $(S) [RDMA]
    | o- namespaces ................................................................................................ [Namespaces: 4]
    |   o- Malloc3 .............................................................. [$(X)-$(X)-$(X)-$(X)-$(X), Malloc3, 1]
    |   o- Malloc4 .............................................................. [$(X)-$(X)-$(X)-$(X)-$(X), Malloc4, 2]
    |   o- Malloc5 .............................................................. [$(X)-$(X)-$(X)-$(X)-$(X), Malloc5, 3]
    |   o- Malloc6 .............................................................. [$(X)-$(X)-$(X)-$(X)-$(X), Malloc6, 4]
    o- nqn.2014-08.org.spdk:cnode2 ...................................................... [sn=$(S), st=NVMe, Allow any host]
    | o- hosts .......................................................................................................... [Hosts: 0]
    | o- listen_addresses ........................................................................................... [Addresses: 1]
    | | o- $(N).$(N).$(N).$(N):4260 $(S) [RDMA]
    | o- namespaces ................................................................................................ [Namespaces: 1]
    |   o- Malloc2 .............................................................. [$(X)-$(X)-$(X)-$(X)-$(X), Malloc2, 1]
    o- nqn.2014-08.org.spdk:cnode3 ...................................................... [sn=$(S), st=NVMe, Allow any host]
      o- hosts .......................................................................................................... [Hosts: 2]
      | o- nqn.2014-08.org.spdk:cnode1 ....................................................................................... [...]
      | o- nqn.2014-08.org.spdk:cnode2 ....................................................................................... [...]
      o- listen_addresses ........................................................................................... [Addresses: 2]
      | o- $(N).$(N).$(N).$(N):4260 $(S) [RDMA]
      | o- $(N).$(N).$(N).$(N):4261 $(S) [RDMA]
      o- namespaces ................................................................................................ [Namespaces: 1]
        o- Malloc1 .............................................................. [$(X)-$(X)-$(X)-$(X)-$(X), Malloc1, 1]