网络名字空间

    1. # ip netns exec qdhcp-88b1609c-68e0-49ca-a658-f1edff54a264 ip addr
    2.     link/ether fa:16:3e:10:2f:03 brd ff:ff:ff:ff:ff:ff
    3.     inet6 fe80::f816:3eff:fe10:2f03/64 scope link