Created attachment 160305 [details] screen shot of kernel panic Host: 8.4-RELEASE-p36 amd64 (GENERIC kernel with the following kld's: 1 31 0xffffffff80100000 f6b910 kernel 2 1 0xffffffff8106c000 1cdd8 geom_eli.ko 3 3 0xffffffff81089000 2afd8 crypto.ko 4 2 0xffffffff810b4000 dc80 zlib.ko 5 1 0xffffffff810c2000 213e0 geom_mirror.ko 6 1 0xffffffff810e4000 47b8 aesni.ko 7 3 0xffffffff810e9000 739c0 vboxdrv.ko 8 1 0xffffffff81212000 17b3 if_epair.ko 9 1 0xffffffff81214000 5bf8 if_bridge.ko 10 1 0xffffffff8121a000 35b8 bridgestp.ko 11 2 0xffffffff8121e000 2be27 pf.ko 12 2 0xffffffff8124a000 29f1 vboxnetflt.ko 13 2 0xffffffff8124d000 8d32 netgraph.ko 14 1 0xffffffff81256000 1725 ng_ether.ko 15 1 0xffffffff81258000 3f8a vboxnetadp.ko Guest: Ubunutu 14.04.03 i386 Virtual box installed via pkg: # pkg info vir\* virtualbox-ose-4.3.30 virtualbox-ose-kmod-4.3.30 I got a kernel panic in vboxNetFltFreeBSDinput. See attachment for stack trace
8.4 is EOL and unsupported since 2015-08-01, sorry.