TX_NETNS_NAME
tok = open_netns(TX_NETNS_NAME);
tok = open_netns(TX_NETNS_NAME);
SYS_NOFAIL("ip netns del " TX_NETNS_NAME);
SYS(out, "ip netns add " TX_NETNS_NAME);
SYS(out, "ip link set " TX_NAME " netns " TX_NETNS_NAME);
*tok = open_netns(TX_NETNS_NAME);
SYS(out, "ip netns add " TX_NETNS_NAME);
tok = open_netns(TX_NETNS_NAME);
SYS_NOFAIL("ip netns del " TX_NETNS_NAME);