Added in: v15.14.0, v14.18.0
options <Object>
address <string> The network address as either an IPv4 or IPv6 string.
Default: '127.0.0.1' if family is 'ipv4'; '::' if family is
'ipv6'.
family <string> One of either 'ipv4' or 'ipv6'.
Default: 'ipv4'.
flowlabel <number> An IPv6 flow-label used only if family is 'ipv6'.
port <number> An IP port.