[virtualbox@server1 ova]$ VBoxManage modifyvm "SERPTool" --nic1 bridged --bridgeadapter1 em1
[virtualbox@server1 ova]$ VBoxHeadless --startvm ”SERPTool” --vrde=off &
[1] 2340
[virtualbox@server1 ova]$ Oracle VM VirtualBox Headless Interface 5.0.2
(C) 2008-2015 Oracle Corporation
All rights reserved.

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

[1]+  Aborted                 VBoxHeadless --startvm ”SERPTool” --vrde=off
[root@server1 ova]# ulimit -c unlimited
[root@server1 ova]# echo -n 1 | tee /proc/sys/kernel/core_uses_pid
[root@server1 ~]# VBoxManage import /home/virtualbox/ova/SERPTool.ova
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
Interpreting /home/virtualbox/ova/SERPTool.ova...
OK.
Disks:
  vmdisk2       53687091200     -1      http://www.vmware.com/interfaces/specifications/vmdk.html#streamOptimized       SERPTool-disk1.vmdk     -1      -1

Virtual system 0:
 0: Suggested OS type: "RedHat_64"
    (change with "--vsys 0 --ostype <type>"; use "list ostypes" to list all possible values)
 1: Suggested VM name "SERPTool"
    (change with "--vsys 0 --vmname <name>")
 2: Number of CPUs: 1
    (change with "--vsys 0 --cpus <n>")
 3: Guest memory: 4096 MB
    (change with "--vsys 0 --memory <MB>")
 4: Network adapter: orig Bridged, config 3, extra slot=0;type=Bridged
 5: CD-ROM
    (disable with "--vsys 0 --unit 5 --ignore")
 6: IDE controller, type PIIX4
    (disable with "--vsys 0 --unit 6 --ignore")
 7: IDE controller, type PIIX4
    (disable with "--vsys 0 --unit 7 --ignore")
 8: SATA controller, type AHCI
    (disable with "--vsys 0 --unit 8 --ignore")
 9: Hard disk image: source image=SERPTool-disk1.vmdk, target path=/root/VirtualBox VMs/SERPTool/SERPTool-disk1.vmdk, controller=8;channel=0
    (change target path with "--vsys 0 --unit 9 --disk path";
    disable with "--vsys 0 --unit 9 --ignore")
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
Successfully imported the appliance.
[root@server1 ~]# VBoxHeadless --startvm "SERPTool"
Oracle VM VirtualBox Headless Interface 5.0.2
(C) 2008-2015 Oracle Corporation
All rights reserved.

Error: failed to start machine. Error message: Failed to open/create the internal network 'HostInterfaceNetworking-Intel(R) 82579LM Gigabit Network Connection' (VERR_INTNET_FLT_IF_NOT_FOUND).
Failed to attach the network LUN (VERR_INTNET_FLT_IF_NOT_FOUND)
[root@server1 ~]# VBoxManage modifyvm "SERPTool" --nic1 bridged --bridgeadapter1 em1
[root@server1 ~]# VBoxHeadless --startvm "SERPTool"
Oracle VM VirtualBox Headless Interface 5.0.2
(C) 2008-2015 Oracle Corporation
All rights reserved.