Usage: ./pwru [options] [pcap-filter]
    Availble pcap-filter: see "man 7 pcap-filter"
    Availble options:
      --all-kmods                 attach to all available kernel modules
      --backend string            Tracing backend('kprobe', 'kprobe-multi'). Will auto-detect if not specified.
      --filter-func string        filter kernel functions to be probed by name (exact match, supports RE2 regular expression)
      --filter-mark uint32        filter skb mark
      --filter-netns uint32       filter netns inode
      --filter-track-skb          trace a packet even if it does not match given filters (e.g., after NAT or tunnel decapsulation)
      --kernel-btf string         specify kernel BTF file
      --kmods strings             list of kernel modules names to attach to
      --output-file string        write traces to file
      --output-limit-lines uint   exit the program after the number of events has been received/printed
      --output-meta               print skb metadata
      --output-skb                print skb
      --output-stack              print stack
      --output-tuple              print L4 tuple
      --timestamp string          print timestamp per skb ("current", "relative", "absolute", "none") (default "none")
      --version                   show pwru version and exit