docs: def remove_ipv6addr(self, ipv6addr):
          """Remove an IPv6 address from the host.
  
          :param str ipv6addr: The IP address to remove
  
          """
          for addr in self.ipv6addrs:
              if ((isinstance(addr, dict) and addr['ipv6addr'] == ipv6addr) or
                  (isinstance(addr, HostIPv4) and addr.ipv6addr == ipv6addr)):
                  self.ipv6addrs.remove(addr)
                  break