my $cmd = { execute => 'qmp_capabilities', arguments => {} };
unshift @{$self->{queue}->{$vmid}}, $cmd;
$self->{mux}->set_timeout($fh, $timeout);
my $cmd = { execute => 'qmp_capabilities', arguments => {} };
unshift @{$self->{queue}->{$vmid}}, $cmd;
$self->{mux}->set_timeout($fh, $timeout);