* primary

(gdb) p rte_eth_devices[4]
$5 = {
  rx_pkt_burst = 0x555555c07a15 <eth_vhost_rx>, 
  tx_pkt_burst = 0x555555c07c34 <eth_vhost_tx>, 
  tx_pkt_prepare = 0x0, 
  data = 0x227ffb7f40, 
  process_private = 0x0, 
  dev_ops = 0x5555561d8a60 <ops>, 
  device = 0x7ffff0000cc0, 
  intr_handle = 0x0, 
  link_intr_cbs = {
    tqh_first = 0x0, 
    tqh_last = 0x5555563e3380 <rte_eth_devices+66112>
  }, 
  post_rx_burst_cbs = {0x0 <repeats 1024 times>}, 
  pre_tx_burst_cbs = {0x0 <repeats 1024 times>}, 
  state = RTE_ETH_DEV_ATTACHED, 
  security_ctx = 0x0
}
(gdb) p *rte_eth_devices[4].device
$10 = {
  next = {
    tqe_next = 0x0, 
    tqe_prev = 0x0
  }, 
  name = 0x7ffff00017e8 "eth_vhost1", 
  driver = 0x555556210e30 <pmd_vhost_drv+16>, 
  bus = 0x5555561ff940 <rte_vdev_bus>, 
  numa_node = -1, 
  devargs = 0x7ffff00017d0
}


* secondary

(gdb) p rte_eth_devices[4]
$5 = {
  rx_pkt_burst = 0x0, 
  tx_pkt_burst = 0x0, 
  tx_pkt_prepare = 0x0, 
  data = 0x227ffb7f40, 
  process_private = 0x0, 
  dev_ops = 0x5555561d9a60 <ops>, 
  device = 0x7fffe8007b70, 
  intr_handle = 0x0, 
  link_intr_cbs = {
    tqh_first = 0x0, 
    tqh_last = 0x5555563e5280 <rte_eth_devices+66112>
  }, 
  post_rx_burst_cbs = {0x0 <repeats 1024 times>}, 
  pre_tx_burst_cbs = {0x0 <repeats 1024 times>}, 
  state = RTE_ETH_DEV_ATTACHED, 
  security_ctx = 0x0
}
(gdb) p *rte_eth_devices[4].device 
$8 = {
  next = {
    tqe_next = 0x0, 
    tqe_prev = 0x0
  }, 
  name = 0x7fffe8007ac8 "eth_vhost1", 
  driver = 0x555556211ef0 <pmd_vhost_drv+16>, 
  bus = 0x555556200a00 <rte_vdev_bus>, 
  numa_node = -1, 
  devargs = 0x7fffe8007ab0
}