[LG Optimus L9 P760, P765, P768, P769] shucrut:
Well, maybe its nothing, but i logcat when i went to check bootloader lock menu (http://xdaforums.com/showthread.php?t=2394274)

V/xt9input_alpha( 573): alpha_setAttribute(context(5C39F788))...success

V/xt9input_alpha( 573): alpha_hasLdb(context(0x5C39F788))...

V/xt9input_dbregistry( 573): DBRegistry::get_ldb_path(0x0109)...LG_902_r1-16_ENubUN_xt9_ALM.ldb

V/xt9input_alpha( 573): alpha_hasLdb(context(0x5C39F788))... 0x0109=>1

V/xt9input_alpha( 573): alpha_hasLdb(context(0x5C39F788))...

V/xt9input_dbregistry( 573): DBRegistry::get_ldb_path(0x0109)...LG_902_r1-16_ENubUN_xt9_ALM.ldb

V/xt9input_alpha( 573): alpha_hasLdb(context(0x5C39F788))... 0x0109=>1

V/xt9input_alpha( 573): alpha_hasLdb(context(0x5C39F788))...

V/xt9input_dbregistry( 573): DBRegistry::get_ldb_path(0x0109)...LG_902_r1-16_ENubUN_xt9_ALM.ldb

V/xt9input_alpha( 573): alpha_hasLdb(context(0x5C39F788))... 0x0109=>1

D/LGPhoneStatusBarPolicy( 483): ACTION_SIGNAL_STRENGTH_CHANGED!!!

I/SIMContacts( 972): Dialog|onSavedInstanceState()falsefalsefalse

I/LGE_CallLogFragment( 972): [moo] onStop()

I/LGE_CallLogFragment( 972): [moo] updateOnExit()

D/wpa_supplicant( 470): nl80211: survey data missing!

D/ViewRootImpl( 1965): ViewRoot TouchDown(Absolute) DOWN (369 , 128)

I/AudioService( 350): checkPlayConditions streamType:1 mMode:0 mRingerMode:2 result:true

E/BootLoader Unlock( 1965): swrv_fused_status=16

E/BootLoader Unlock( 1965): readNV(36): 16

D/LvOutput( 146): initCheck: 0

D/LvOutput( 146): attachEffects: attach processing to output 2, stream 1, session 58, mode 0

D/LvOutput( 146): attachEffects: no output processing needs to be attached to this stream

W/MemoryDealer( 146): madvise(0x43b3e000, 8192, MADV_REMOVE) returned Operation not supported on transport endpoint

D/AudioResampler( 146): forcing AudioResampler quality to 3

D/SurfaceFlinger( 143): createSurface for (1 x 1), name=com.lge.hiddenmenu/com.lge.hiddenmenu.bootloadunlock.BootLoader_Unlock

D/KeyguardViewMediator( 350): handleTimeout

D/LvOutput( 146): initCheck: 0

D/LvOutput( 146): detachEffects: detach processing for output 2, stream 1, session 58

D/LvOutput( 146): detachEffects: no output processing was attached to this stream

D/LGPhoneStatusBarPolicy( 483): ACTION_SIGNAL_STRENGTH_CHANGED!!!

D/ViewRootImpl( 1965): ViewRoot TouchDown(Absolute) DOWN (336 , 557)

I/AudioService( 350): checkPlayConditions streamType:1 mMode:0 mRingerMode:2 result:true

D/LvOutput( 146): initCheck: 0

D/LvOutput( 146): attachEffects: attach processing to output 2, stream 1, session 59, mode 0

D/LvOutput( 146): attachEffects: no output processing needs to be attached to this stream

W/MemoryDealer( 146): madvise(0x43b3a000, 12288, MADV_REMOVE) returned Operation not supported on transport endpoint

D/AudioResampler( 146): forcing AudioResampler quality to 3

W/InputMethodManagerService( 350): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@41a87e00 attribute=null, token = android.os.BinderProxy@41b73378

D/LvOutput( 146): initCheck: 0

D/LvOutput( 146): detachEffects: detach processing for output 2, stream 1, session 59

D/LvOutput( 146): detachEffects: no output processing was attached to this stream

D/wpa_supplicant( 470): nl80211: survey data missing!

D/LGPhoneStatusBarPolicy( 483): ACTION_SIGNAL_STRENGTH_CHANGED!!!

Maybe looking into com.lge.hiddenmenu/com.lge.hiddenmenu.bootloadunlock.BootLoader_Unlock can give us more information about the bootloader unlocking, since this process is able to know if the bootloader is unlocked or not