1  kern.geom.label.disk_ident.enable="0"
 2  kern.geom.label.gptid.enable="0"
 3  cryptodev_load="YES"
 4  zfs_load="YES"
 5  kern.vty=vt
 6  vboxdrv_load="YES"                     # virtualbox machines
 7  # increase if encountering "Network: write Failed: Cannot allocate memory" errors
 8  # net.graph.maxdata=""
 9  sysctlinfo_load="YES"
10  sysctlbyname_improved_load="YES"