#! /usr/bin/env stap
probe netfilter.ip.local_out {
        if (dport == 53)
                printf("%d - %s[PID %d, TID %d], GID %d, UID %d sent packet to %s:%d\n", gettimeofday_ms(), execname(), pid(), tid(), gid(), uid(), daddr, dport);
                port = __tcp_skb_dport($skb);
                printf("%s\n",port);
}