On Wed, Jul 11, 2018 at 01:15:25PM +0200, Ludovic Courtès wrote:
> Hi Oleg,
> 
> Oleg Pykhalov <go.wigust@gmail.com> skribis:
> 
> > libvirtError: End of file while reading data: nc: invalid option -- 'U'
> > Try `nc --help' for more information.: Input/output error
> 
> There are several implementation of Netcat, and presumably libvirt
> expects a different one.
> 
> Could you check which implementation you have on other distros?

Besides the 'netcat' package, there are netcat implementations that
offer the '-U' option provided by the nmap and LibreSSL packages.