r@r:/home/docker/vrnetlab/vmx$ docker run -it vrnetlab/vr-vmx:16.1R1.7
2018-12-31 16:38:50,303: vrnetlab DEBUG Creating overlay disk image
add bridge failed: Operation not permitted
Cannot find device "int_cp"
2018-12-31 16:38:50,333: vrnetlab DEBUG Starting vrnetlab VMX
2018-12-31 16:38:50,334: vrnetlab DEBUG VMs: [<main.VMX_vcp object at 0x7fe3e3c66be0>, <main.VMX_vfpc object at 0x7fe3e3c66a90>]
2018-12-31 16:38:50,344: vrnetlab DEBUG VM not started; starting!
2018-12-31 16:38:50,344: vrnetlab INFO Starting VMX_vcp
2018-12-31 16:38:50,345: vrnetlab DEBUG ['qemu-system-x86_64', '-display', 'none', '-machine', 'pc', '-monitor', 'tcp:0.0.0.0:4000,server,nowait', '-m', '2048', '-serial', 'telnet:0.0.0.0:5000,server,nowait', '-drive', 'if=ide,file=/vmx/junos-vmx-x86-64-16.1R1.7-overlay.qcow2', '-drive', 'if=ide,file=/vmx/vmxhdd.img', '-usb', '-usbdevice', 'disk:format=raw:/vmx/metadata-usb-re.img', '-smbios', 'type=0,vendor=Juniper', '-smbios', 'type=1,manufacturer=Juniper,product=VM-vcp_vmx2-161-re-0,version=0.1.0', '-device', 'e1000,netdev=p00,mac=52:54:00:26:c5:00', '-netdev', 'user,id=p00,net=10.0.0.0/24,tftp=/tftpboot,hostfwd=tcp::2022-10.0.0.15:22,hostfwd=udp::2161-10.0.0.15:161,hostfwd=tcp::2830-10.0.0.15:830,hostfwd=tcp::2080-10.0.0.15:80,hostfwd=tcp::2443-10.0.0.15:443', '-device', 'virtio-net-pci,netdev=vcp-int,mac=52:54:00:43:7a:01', '-netdev', 'tap,ifname=vcp-int,id=vcp-int,script=no,downscript=no']
2018-12-31 16:38:50,390: vrnetlab INFO STDOUT:
2018-12-31 16:38:50,390: vrnetlab INFO STDERR: qemu-system-x86_64: -netdev tap,ifname=vcp-int,id=vcp-int,script=no,downscript=no: could not open /dev/net/tun: No such file or directory

2018-12-31 16:38:50,394: vrnetlab INFO Unable to connect to qemu monitor (port 4000), retrying in a second (attempt 1)
2018-12-31 16:38:51,396: vrnetlab INFO Unable to connect to qemu monitor (port 4000), retrying in a second (attempt 2)
2018-12-31 16:38:52,397: vrnetlab INFO Unable to connect to qemu monitor (port 4000), retrying in a second (attempt 3)
2018-12-31 16:38:53,399: vrnetlab INFO Unable to connect to qemu monitor (port 4000), retrying in a second (attempt 4)
2018-12-31 16:38:54,400: vrnetlab INFO Unable to connect to qemu monitor (port 4000), retrying in a second (attempt 5)
^Cr@r:/home/docker/vrnetlab/vmx$