UTM: Ubuntu 20.04 freeze

On my system

My Ubuntu suddenly freeze during start. Sadly this is permanent

This is my debug.log

Running:  -L /Applications/UTM.app/Contents/Resources/qemu -S -qmp tcp:127.0.0.1:4000,server,nowait -nodefaults -vga none -spice "unix=on,addr=/Users/hannes/Library/Group Containers/WDNLXAD4W8.com.utmapp.UTM/FE914270-C93A-41F9-A3BA-560927B066D4.spice,disable-ticketing=on,image-compression=off,playback-compression=off,streaming-video=off,gl=on" -device virtio-ramfb-gl -cpu cortex-a72 -smp cpus=8,sockets=1,cores=8,threads=1 -machine virt,highmem=off -accel hvf -accel tcg,tb-size=2048 -drive if=pflash,format=raw,unit=0,file=/Applications/UTM.app/Contents/Resources/qemu/edk2-aarch64-code.fd,readonly=on -drive "if=pflash,format=raw,unit=1,file=/Users/hannes/Library/Containers/com.utmapp.UTM/Data/Documents/Ubuntu 20.04 server arm.utm/Images/efi_vars.fd" -boot menu=on -m 8192 -device intel-hda -device hda-duplex -name "Ubuntu 20.04 server arm" -device qemu-xhci,id=usb-bus -device usb-tablet,bus=usb-bus.0 -device usb-mouse,bus=usb-bus.0 -device usb-kbd,bus=usb-bus.0 -device qemu-xhci,id=usb-controller-0 -chardev spicevmc,name=usbredir,id=usbredirchardev0 -device usb-redir,chardev=usbredirchardev0,id=usbredirdev0,bus=usb-controller-0.0 -chardev spicevmc,name=usbredir,id=usbredirchardev1 -device usb-redir,chardev=usbredirchardev1,id=usbredirdev1,bus=usb-controller-0.0 -chardev spicevmc,name=usbredir,id=usbredirchardev2 -device usb-redir,chardev=usbredirchardev2,id=usbredirdev2,bus=usb-controller-0.0 -device virtio-blk-pci,drive=drive0,bootindex=0 -drive "if=none,media=disk,id=drive0,file=/Users/hannes/Library/Containers/com.utmapp.UTM/Data/Documents/Ubuntu 20.04 server arm.utm/Images/disk-0.qcow2,cache=writethrough" -device usb-storage,drive=drive1,removable=true,bootindex=1 -drive if=none,media=cdrom,id=drive1 -device virtio-net-pci,mac=26:31:82:14:CB:8B,netdev=net0 -netdev vmnet-macos,mode=shared,id=net0 -device virtio-serial -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 -chardev spicevmc,id=vdagent,debug=0,name=vdagent -device virtserialport,chardev=charchannel1,id=channel1,name=org.spice-space.webdav.0 -chardev spiceport,name=org.spice-space.webdav.0,id=charchannel1 -uuid FE914270-C93A-41F9-A3BA-560927B066D4 -rtc base=localtime
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: Started vmnet interface with configuration:
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: MTU:              1500
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: Max packet size:  1514
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: MAC:              1a:13:5e:98:c1:ea
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: DHCP IPv4 start:  192.168.64.1
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: DHCP IPv4 end:    192.168.64.254
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: IPv4 subnet mask: 255.255.255.0
qemu-aarch64-softmmu: -netdev vmnet-macos,mode=shared,id=net0: info: UUID:             E621ECF8-56D3-4F7F-8943-0C6321F87782
qemu-aarch64-softmmu: warning: Spice: playback:0 (0x1260da120): setsockopt failed, Operation not supported on socket
qemu-aarch64-softmmu: warning: Spice: record:0 (0x1260da1d0): setsockopt failed, Operation not supported on socket
gl_version 30 - es profile enabled
WARNING: running without ARB/KHR robustness in place may crash

This is my QEMU command

qemu-system-aarch64 -L /Applications/UTM.app/Contents/Resources/qemu -S -qmp tcp:127.0.0.1:4444,server,nowait -nodefaults -vga none -spice "unix=on,addr=/Users/hannes/Library/Group Containers/WDNLXAD4W8.com.utmapp.UTM/FE914270-C93A-41F9-A3BA-560927B066D4.spice,disable-ticketing=on,image-compression=off,playback-compression=off,streaming-video=off,gl=on" -device virtio-ramfb-gl -cpu cortex-a72 -smp cpus=8,sockets=1,cores=8,threads=1 -machine virt,highmem=off -accel hvf -accel tcg,tb-size=2048 -drive if=pflash,format=raw,unit=0,file=/Applications/UTM.app/Contents/Resources/qemu/edk2-aarch64-code.fd,readonly=on -drive "if=pflash,format=raw,unit=1,file=/Users/hannes/Library/Containers/com.utmapp.UTM/Data/Documents/Ubuntu 20.04 server arm.utm/Images/efi_vars.fd" -boot menu=on -m 8192 -device intel-hda -device hda-duplex -name "Ubuntu 20.04 server arm" -device qemu-xhci,id=usb-bus -device usb-tablet,bus=usb-bus.0 -device usb-mouse,bus=usb-bus.0 -device usb-kbd,bus=usb-bus.0 -device qemu-xhci,id=usb-controller-0 -chardev spicevmc,name=usbredir,id=usbredirchardev0 -device usb-redir,chardev=usbredirchardev0,id=usbredirdev0,bus=usb-controller-0.0 -chardev spicevmc,name=usbredir,id=usbredirchardev1 -device usb-redir,chardev=usbredirchardev1,id=usbredirdev1,bus=usb-controller-0.0 -chardev spicevmc,name=usbredir,id=usbredirchardev2 -device usb-redir,chardev=usbredirchardev2,id=usbredirdev2,bus=usb-controller-0.0 -device virtio-blk-pci,drive=drive0,bootindex=0 -drive "if=none,media=disk,id=drive0,file=/Users/hannes/Library/Containers/com.utmapp.UTM/Data/Documents/Ubuntu 20.04 server arm.utm/Images/disk-0.qcow2,cache=writethrough" -device usb-storage,drive=drive1,removable=true,bootindex=1 -drive if=none,media=cdrom,id=drive1 -device virtio-net-pci,mac=26:31:82:14:CB:8B,netdev=net0 -netdev vmnet-macos,mode=shared,id=net0 -device virtio-serial -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 -chardev spicevmc,id=vdagent,debug=0,name=vdagent -device virtserialport,chardev=charchannel1,id=channel1,name=org.spice-space.webdav.0 -chardev spiceport,name=org.spice-space.webdav.0,id=charchannel1 -uuid FE914270-C93A-41F9-A3BA-560927B066D4 -rtc base=localtime

It would be super nice, if someone has a hint for me !