➜  ~ sudo bless --folder /Volumes/NO\ NAME --file /Volumes/NO\ NAME/EFI/Microsoft/Boot/bootmgfw.efi --setBoot --nextonly --verbose
EFI found at IODeviceTree:/efi
Mount point for /Volumes/NO NAME is /Volumes/NO NAME
Common mount point of '/Volumes/NO NAME' and '' is /Volumes/NO NAME
No BootX creation requested
No boot.efi creation requested
found ioreg "FirmwareFeaturesMask"; featureMaskValue=0xFF1FFF3F
found ioreg "FirmwareFeatures"; featureFlagsValue=0xC00C5417
isPreBootEnvironmentUEFIWindowsBootCapable=0
preboot environment is not UEFI boot capable
isDVDWithElToritoWithUEFIBootableOS=0
Checking if disk is complex (if it is associated with booter partitions)
GPT detected
Booter partition required at index 2
System partition found
Preferred system partition found: disk3s1
Returning booter information dictionary:
{
    "Auxiliary Partitions" =     (
    );
    "Data Partitions" =     (
        disk0s1
    );
    "System Partitions" =     (
        disk3s1,
        disk0s1
    );
}
Path to mountpoint given: /Volumes/NO NAME
IOMedia disk0s1 has UUID 5E201C4F-0982-4DFD-1CB6-74B5D2273719
Setting EFI NVRAM:
	efi-boot-next='<array><dict><key>IOMatch</key><dict><key>IOProviderClass</key><string>IOMedia</string><key>IOPropertyMatch</key><dict><key>UUID</key><string>5E201C4F-0982-4DFD-1CB6-74B5D2273719</string></dict></dict><key>BLLastBSDName</key><string>disk0s1</string></dict></array>'
Setting EFI NVRAM:
	IONVRAM-DELETE-PROPERTY='efi-boot-file'
Setting EFI NVRAM:
	IONVRAM-DELETE-PROPERTY='efi-boot-mkext'
Setting EFI NVRAM:
	IONVRAM-DELETE-PROPERTY='efi-boot-kernelcache'
Old boot-args: -no_compat_check cwae=2 shikigva=160 shiki-id=Mac-7BA5B2D9E42DDD94
	Got token: -no_compat_check
	Preserving: -no_compat_check
	Got token: cwae=2
	Preserving: cwae=2
	Got token: shikigva=160
	Preserving: shikigva=160
	Got token: shiki-id=Mac-7BA5B2D9E42DDD94
	Preserving: shiki-id=Mac-7BA5B2D9E42DDD94
New boot-args unchanged, skipping update.

➜  ~ nvram -p
efi-boot-device	<array><dict><key>IOMatch</key><dict><key>IOProviderClass</key><string>IOMedia</string><key>IOPropertyMatch</key><dict><key>UUID</key><string>5D85E828-BC79-4D5C-B6CC-954DD328CB21</string></dict></dict><key>BLLastBSDName</key><string>disk2s2</string></dict><dict><key>IOEFIDevicePathType</key><string>MediaFilePath</string><key>Path</key><string>\FD54E2E0-499B-4752-B96B-9EBFCE583AE2\System\Library\CoreServices\boot.efi</string></dict></array>
boot-args	-no_compat_check cwae=2 shikigva=160 shiki-id=Mac-7BA5B2D9E42DDD94
efi-boot-next	<array><dict><key>IOMatch</key><dict><key>IOProviderClass</key><string>IOMedia</string><key>IOPropertyMatch</key><dict><key>UUID</key><string>5E201C4F-0982-4DFD-1CB6-74B5D2273719</string></dict></dict><key>BLLastBSDName</key><string>disk0s1</string></dict></array>
efi-boot-next-data	%02%01%0c%00%d0A%03%0a%00%00%00%00%01%01%06%00%00%03%01%01%06%00%00%00%01%01%06%00%00%11%01%01%06%00%00%00%03%16%10%00%01%00%00%00%00%258W%91P%0e3%04%01*%00%01%00%00%00%00%08%00%00%00%00%00%00%00 %03%00%00%00%00%00O%1c ^%82%09%fdM%1c%b6t%b5%d2'7%19%02%02%7f%ff%04%00
BootCampHD	%02%01%0c%00%d0A%03%0a%00%00%00%00%01%01%06%00%00%03%01%01%06%00%00%00%01%01%06%00%00%11%01%01%06%00%00%00%03%16%10%00%01%00%00%00%00%258W%91P%0e3%7f%ff%04%00
SMTDisable	%01
prev-lang:kbd	en:252
SystemAudioVolumeDB	%fa
fmm-computer-name	XXXXXXXXXXX
csr-active-config	w%00%00%00
SystemAudioVolume	:
EFIBluetoothDelay	%b8%0b
efi-boot-device-data	%02%01%0c%00%d0A%03%0a%00%00%00%00%01%01%06%00%00%03%01%01%06%00%00%00%01%01%06%00%00%09%01%01%06%00%00%00%03%16%10%00%01%00%00%00%00%258U%81%b4~L%04%01*%00%02%00%00%00(@%06%00%00%00%00%00`%925w%00%00%00%00%e76%9f%8c [%eeI%b5'%9bT%f00%13%ab%02%02%04%03$%00%f7%fct%be|%0b%f3I%91G%01%f4%04.hB(%e8%85]y%bc\M%b6%cc%95M%d3(%cb!%04%04%9a%00\%00F%00D%005%004%00E%002%00E%000%00-%004%009%009%00B%00-%004%007%005%002%00-%00B%009%006%00B%00-%009%00E%00B%00F%00C%00E%005%008%003%00A%00E%002%00\%00S%00y%00s%00t%00e%00m%00\%00L%00i%00b%00r%00a%00r%00y%00\%00C%00o%00r%00e%00S%00e%00r%00v%00i%00c%00e%00s%00\%00b%00o%00o%00t%00.%00e%00f%00i%00%00%00%7f%ff%04%00

➜  ~ sudo bless --getBoot --verbose
EFI found at IODeviceTree:/efi
Current EFI boot device string is: '<array><dict><key>IOMatch</key><dict><key>IOProviderClass</key><string>IOMedia</string><key>IOPropertyMatch</key><dict><key>UUID</key><string>5D85E828-BC79-4D5C-B6CC-954DD328CB21</string></dict></dict><key>BLLastBSDName</key><string>disk2s2</string></dict><dict><key>IOEFIDevicePathType</key><string>MediaFilePath</string><key>Path</key><string>\FD54E2E0-499B-4752-B96B-9EBFCE583AE2\System\Library\CoreServices\boot.efi</string></dict></array>'
Boot option is 8BE4DF61-93CA-11D2-AA0D-00E098032B8C:Boot0080
Processing boot option 'Mac OS X'
Boot option matches XML representation
Found device: disk2s2
Disk boot device detected
Detected APFS volume.  Skipping Boot!=Root check.
No auxiliary booter partition required
System partition found
Preferred system partition found: disk3s1
Returning booter information dictionary:
{
    "Auxiliary Partitions" =     (
    );
    "Data Partitions" =     (
        disk2s2
    );
    "Preboot Volumes" =     (
        disk2s2
    );
    "System Partitions" =     (
        disk3s1,
        disk1s1
    );
}
/dev/disk2s2 is a preboot volume
Substituting found system volume /dev/disk2s5
/dev/disk2s5

➜  ~ sudo bless --folder /Volumes/NO\ NAME --file /Volumes/NO\ NAME/EFI/Microsoft/Boot/bootmgfw.efi --setBoot --nextonly --verbose
EFI found at IODeviceTree:/efi
Mount point for /Volumes/NO NAME is /Volumes/NO NAME
Common mount point of '/Volumes/NO NAME' and '' is /Volumes/NO NAME
No BootX creation requested
No boot.efi creation requested
found ioreg "FirmwareFeaturesMask"; featureMaskValue=0xFF1FFF3F
found ioreg "FirmwareFeatures"; featureFlagsValue=0xC00C5417
isPreBootEnvironmentUEFIWindowsBootCapable=0
preboot environment is not UEFI boot capable
isDVDWithElToritoWithUEFIBootableOS=0
Checking if disk is complex (if it is associated with booter partitions)
GPT detected
Booter partition required at index 2
System partition found
Preferred system partition found: disk3s1
Returning booter information dictionary:
{
    "Auxiliary Partitions" =     (
    );
    "Data Partitions" =     (
        disk0s1
    );
    "System Partitions" =     (
        disk3s1,
        disk0s1
    );
}
Path to mountpoint given: /Volumes/NO NAME
IOMedia disk0s1 has UUID 5E201C4F-0982-4DFD-1CB6-74B5D2273719
Setting EFI NVRAM:
	efi-boot-next='<array><dict><key>IOMatch</key><dict><key>IOProviderClass</key><string>IOMedia</string><key>IOPropertyMatch</key><dict><key>UUID</key><string>5E201C4F-0982-4DFD-1CB6-74B5D2273719</string></dict></dict><key>BLLastBSDName</key><string>disk0s1</string></dict></array>'
Setting EFI NVRAM:
	IONVRAM-DELETE-PROPERTY='efi-boot-file'
Setting EFI NVRAM:
	IONVRAM-DELETE-PROPERTY='efi-boot-mkext'
Setting EFI NVRAM:
	IONVRAM-DELETE-PROPERTY='efi-boot-kernelcache'
Old boot-args: -no_compat_check cwae=2 shikigva=160 shiki-id=Mac-7BA5B2D9E42DDD94
	Got token: -no_compat_check
	Preserving: -no_compat_check
	Got token: cwae=2
	Preserving: cwae=2
	Got token: shikigva=160
	Preserving: shikigva=160
	Got token: shiki-id=Mac-7BA5B2D9E42DDD94
	Preserving: shiki-id=Mac-7BA5B2D9E42DDD94
New boot-args unchanged, skipping update.