+ u16 tx_ring_sz;
+ u16 rx_ring_sz;
+ mac_address_t host_mac_addr;
+ u8 host_if_name[64];
+ u8 host_namespace[64];
+ u8 host_bridge[64];
+ ip4_address_t host_ip4_addr;
+ u8 host_ip4_prefix_len;
+ ip6_address_t host_ip6_addr;
+ u8 host_ip6_prefix_len;
+ u32 host_mtu_size;