docs: def nl_list_for_each_entry_safe(pos, n, head, member):
      """https://github.com/thom311/libnl/blob/libnl3_2_25/include/netlink/list.h#L84.
  
      Positional arguments:
      pos -- class instance holding an nl_list_head instance.
      n -- class instance holding an nl_list_head instance.
      head -- nl_list_head class instance.
      member -- attribute (string).
  
      Returns:
      Generator yielding a class instances.
      """
      pos = nl_list_entry(head.next_, type(pos), member)
      n = nl_list_entry(pos.member.next_, type(pos), member)
      while True:
          yield pos
          if getattr(pos, member) != head:
              pos = n
              n = nl_list_entry(n.member.next_, type(n), member)
              continue
          break