环境
适用于SPARC的Oracle Solaris 11
在非主（访客）逻辑域（LDOM）中运行
使用root访问权限登录。
问题
我的应用程序使用 libpcap 来捕获网络流量。当我的应用程序（ myTestApp ）调用libpcap findalldevs 时，我的应用程序只看到一个网络接口（“lo0”），但 ifconfig -a 显示许多更多接口。
我的应用程序静态链接到 libpcap （版本1.3）。 构建机器 SunOS RS-T5120-01 5.10 Generic_141444-09 sun4v sparc SUNW，SPARC-Enterprise-T5120 。
为什么我的应用程序无法看到所有网络接口的任何想法？
Linux命令行示例输出
# tcpdump --version
tcpdump version 4.1.1
libpcap version 1.1.1
# uname -a
SunOS g99dnpi802-LD 5.11 11.1 sun4v sparc sun4v
# ./myTestApp -adapters
[Available Adapters]
name: "lo0", description: "", address: 127.0.0.1, mask: 255.0.0.0
# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
net0: flags=100001000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,PHYSRUNNING> mtu 1500 index 2
inet 10.99.220.15 netmask ffffff00 broadcast 10.99.220.255
ether 0:14:4f:fa:e0:8d
net1: flags=100001000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,PHYSRUNNING> mtu 1500 index 3
inet 10.99.193.210 netmask ffffff80 broadcast 10.99.193.255
ether 0:14:4f:f9:d0:9c
lo0: flags=2002000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv6,VIRTUAL> mtu 8252 index 1
inet6 ::1/128
net0: flags=120002000840<RUNNING,MULTICAST,IPv6,PHYSRUNNING> mtu 1500 index 2
inet6 ::/0
ether 0:14:4f:fa:e0:8d
net1: flags=120002000840<RUNNING,MULTICAST,IPv6,PHYSRUNNING> mtu 1500 index 3
inet6 ::/0
ether 0:14:4f:f9:d0:9c
# tcpdump -i net1
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on net1, link-type EN10MB (Ethernet), capture size 65535 bytes
09:32:29.520815 IP g99dnpi802-LD.ssh > 10.99.8.102.65436: Flags [P.], seq 3397909586:3397909718, ack 1479093081, win 64240, length 132
09:32:29.520860 IP g99dnpi802-LD.ssh > 10.99.8.102.65436: Flags [P.], seq 132:232, ack 1, win 64240, length 100
09:32:29.521644 IP 10.99.8.102.65436 > g99dnpi802-LD.ssh: Flags [.], ack 132, win 16379, length 0
09:32:29.680844 00:14:4f:f9:8d:84 (oui Unknown) > Broadcast, ethertype Unknown (0xcafe), length 90:
0x0000: 0500 ad85 0939 ffff 0001 ffff 809c 7401 .....9........t.
0x0010: 0000 004c 0000 0000 8070 00ab 0000 0000 ...L.....p......
0x0020: 0000 0000 0000 0000 0043 ffff 2074 6167 .........C...tag
0x0030: 6d61 7374 0672 0014 4ff9 8d84 5f31 3362 mast.r..O..._13b
0x0040: 650a 0000 0000 0000 84f9 0aab e...........
[更新]
以下是在构建计算机和客户计算机上运行以下truss命令的（已编辑）输出。
truss –f –a –vall –l –d –o truss.txt ./myTestApp -adapters
构建机器上的桁架
14365/1: 0.0751 so_socket(PF_INET, SOCK_DGRAM, IPPROTO_IP, "", SOV_DEFAULT) = 3
14365/1: 0.0753 so_socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP, "", SOV_DEFAULT) = 4
14365/1: 0.0755 ioctl(3, SIOCGLIFNUM, 0xFFBE9F50) = 0
14365/1: 0.0757 ioctl(3, SIOCGLIFCONF, 0xFFBE9F40) = 0
14365/1: 0.0804 ioctl(3, SIOCGLIFFLAGS, 0xFFBE9DC8) = 0
14365/1: 0.0806 ioctl(3, SIOCGLIFNETMASK, 0xFFBE9C50) = 0
14365/1: 0.0809 open64("/dev/lo", O_RDWR) Err#2 ENOENT
14365/1: 0.0811 open64("/dev/lo0", O_RDWR) Err#2 ENOENT
14365/1: 0.0813 ioctl(3, SIOCGLIFFLAGS, 0xFFBE9DC8) = 0
14365/1: 0.0815 ioctl(3, SIOCGLIFNETMASK, 0xFFBE9C50) = 0
14365/1: 0.0817 ioctl(3, SIOCGLIFBRDADDR, 0xFFBE9AD8) = 0
14365/1: 0.0819 open64("/dev/e1000g", O_RDWR) = 5
客户机器上的桁架
6346/1: 0.0315 so_socket(PF_INET, SOCK_DGRAM, IPPROTO_IP, 0, SOV_DEFAULT) = 3
6346/1: 0.0319 so_socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP, 0, SOV_DEFAULT) = 5
6346/1: 0.0320 ioctl(3, SIOCGLIFNUM, 0xFFBEA830) = 0
6346/1: 0.0321 ioctl(3, SIOCGLIFCONF, 0xFFBEA820) = 0
6346/1: 0.0322 ioctl(3, SIOCGLIFFLAGS, 0xFFBEA6A8) = 0
6346/1: 0.0323 ioctl(3, SIOCGLIFNETMASK, 0xFFBEA530) = 0
6346/1: 0.0327 open64("/dev/lo", O_RDWR) Err#2 ENOENT
6346/1: 0.0328 open64("/dev/lo0", O_RDWR) = 6
6346/1: 0.0345 ioctl(3, SIOCGLIFFLAGS, 0xFFBEA6A8) = 0
6346/1: 0.0346 ioctl(3, SIOCGLIFNETMASK, 0xFFBEA530) = 0
6346/1: 0.0347 ioctl(3, SIOCGLIFBRDADDR, 0xFFBEA3B8) = 0
6346/1: 0.0347 open64("/dev/net", O_RDWR) Err#21 EISDIR
6346/1: 0.0349 ioctl(3, SIOCGLIFFLAGS, 0xFFBEA6A8) = 0
6346/1: 0.0349 ioctl(3, SIOCGLIFNETMASK, 0xFFBEA530) = 0
6346/1: 0.0350 ioctl(3, SIOCGLIFBRDADDR, 0xFFBEA3B8) = 0
6346/1: 0.0351 open64("/dev/net", O_RDWR) Err#21 EISDIR