<p>If the address for the hostname isn't already known on the system (for example because it's in
/etc/hostname), this may result in DNS traffic.</p>
<p>If the specified address isn't available on the system, or if the hostname can't be resolved,
<p>If the address for the hostname isn't already known on the system (for example because it's in
/etc/hostname), this may result in DNS traffic.</p>
<p>If the specified address isn't available on the system, or if the hostname can't be resolved,