+ : -xen-domid 2 -chardev socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-2,server,nowait -no-shutdown -mon chardev=libxl-cmd,mode=control -chardev socket,id=libxenstat-cmd,path=/var/run/xen/qmp-libxenstat-2,server,nowait -mon chardev=libxenstat-cmd,mode=control -nodefaults -no-user-config -name vm10 -vnc 127.0.0.1:0,to=99 -display none -kernel /root/vm10/vmlinuz-4.14.0-3-amd64 -initrd /root/vm10/initrd.img-4.14.0-3-amd64 -append 'root=/dev/xvda1 ro' -serial pty -device cirrus-vga,vgamem_mb=8 -boot order=c -smp 4,maxcpus=4 -device rtl8139,id=nic0,netdev=net0,mac=00:16:3e:6c:5a:d4 -netdev type=tap,id=net0,ifname=vif2.0-emu,script=no,downscript=no -machine xenfv -cdrom /var/lib/xen/pvshim-sidecars/vm10.iso -m 2040 -drive file=/dev/vms/vm10-disk,if=ide,index=0,media=disk,format=raw,cache=writeback
+ set +x
warning: unexpected argument -serial being passed through
warning: unexpected argument pty being passed through
warning: unexpected argument -smp being passed through
warning: unexpected argument 4,maxcpus=4 being passed through
+ exec /usr/local/lib/xen/bin/qemu-system-i386 -xen-domid 2 -chardev socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-2,server,nowait -no-shutdown -mon chardev=libxl-cmd,mode=control -chardev socket,id=libxenstat-cmd,path=/var/run/xen/qmp-libxenstat-2,server,nowait -mon chardev=libxenstat-cmd,mode=control -nodefaults -no-user-config -name vm10 -display none -serial pty -boot order=c -smp 4,maxcpus=4 -netdev type=tap,id=net0,ifname=vif2.0-emu,script=no,downscript=no -machine xenfv -cdrom /var/lib/xen/pvshim-sidecars/vm10.iso -m 2040
qemu-system-i386: -serial pty: char device redirected to /dev/pts/2 (label serial0)
Warning: netdev net0 has no peer
qemu-system-i386: terminating on signal 1 from pid 2041 (xl)