[anonthrowaway28]

Running a hackintosh on 10.14.6 (18G103), works fine:

    $ ifconfig en1 ether
    en1: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
      ether aa:bb:cc:dd:ee:ff

It maybe related to wifi drivers.

    Index Refs Address            Size       Wired      Name (Version) UUID <Linked Against>
       37   10 0xffffff7f83b0e000 0x22000    0x22000    as.vit9696.Lilu (1.3.4) 7C0B7376-83CF-32DA-9C49-7052141EC730 <8 6 5 3 2 1>
       38    0 0xffffff7f83b30000 0x5000     0x5000     org.vanilla.driver.CPUFriend (1.1.6) FFAD6CD3-E28F-3741-BE12-E44720F45CA6 <37 12 8 6 5 3 2 1>
       39    0 0xffffff7f83b35000 0x4000     0x4000     com.rehabman.driver.USBInjectAll (0.7.1) 88901B62-E4A2-3374-A33C-873C8BC29F9C <13 12 5 3>
       40    0 0xffffff7f83b3a000 0x3000     0x3000     as.lvs1974.BT4LEContiunityFixup (1.1.2) 1B490F7D-CD49-30AD-944A-553D0D99692C <37 8 6 5 3 2 1>
       41    0 0xffffff7f83b3d000 0x4000     0x4000     com.sicreative.VoltageShift (1.1) 0FA3C2F1-BEA1-3AAF-AA39-3ED26996F2C1 <5 3>
       42    2 0xffffff7f83b44000 0x11000    0x11000    as.vit9696.VirtualSMC (1.0.2) E9475ED7-4AB2-3DDE-B20B-614B06DAE65B <37 12 8 6 5 3 2 1>
       44    0 0xffffff7f83b55000 0xa000     0xa000     ru.usrsse2.SMCBatteryManager (1) E0542A67-D72C-3FD4-A142-40B586E9CE50 <43 42 37 12 8 6 5 3 2 1>
       45    0 0xffffff7f83b5f000 0x63000    0x63000    as.vit9696.WhateverGreen (1.2.7) 122F635A-DC40-3DF0-98AF-8505A83221C0 <37 13 8 6 5 3 2 1>
       46    0 0xffffff7f83bc2000 0x102000   0x102000   as.vit9696.AppleALC (1.3.6) 3E1A3DF6-9D93-3DD0-96A0-9FBA5791D7D7 <37 13 8 6 5 3 2 1>
       47    0 0xffffff7f83cc4000 0x6000     0x6000     as.lvs1974.AirportBrcmFixup (1.1.9) 6AE31546-1F21-303F-A51E-A34753C9905E <37 16 13 8 6 5 3 2 1>
       48    0 0xffffff7f83cca000 0x3000     0x3000     xyz.racermaster.NoTouchID (1.0.1) 85F586AC-B564-304A-BCC0-55681EF86F91 <37 8 6 5 3 2 1>
       49    0 0xffffff7f83ccd000 0x5000     0x5000     as.lvs1974.HibernationFixup (1.2.4) 8CA34F1A-5611-30B3-8224-53F093BF5FAA <37 8 6 5 3 2 1>
       50    0 0xffffff7f83cd2000 0x5000     0x5000     as.vit9696.SMCProcessor (1.0.2) BB591E66-6993-39BB-88D9-D0936B92E036 <42 37 12 8 6 5 3 2 1>
       67    2 0xffffff7f83cd7000 0xb000     0xb000     org.rehabman.voodoo.driver.PS2Controller (1.9.2) 53E0B467-6CA6-3CD1-A450-6A39D767DA8C <12 8 6 5 3 1>
       81    0 0xffffff7f83ce2000 0x14000    0x14000    com.insanelymac.IntelMausiEthernet (2.5.0d0) D59B3731-D7AE-3CBA-A10F-4AB0C54AC05A <16 13 6 5 3 1>
       88    0 0xffffff7f83cf6000 0xc000     0xc000     org.rehabman.voodoo.driver.PS2Trackpad (1.9.2) 1E85D11A-A05E-3FC3-AC6D-D28B7563B956 <67 57 18 8 7 6 5 3 1>
       89    0 0xffffff7f83d02000 0x6000     0x6000     org.rehabman.voodoo.driver.PS2Keyboard (1.9.2) B974470A-CEE4-358B-B605-A09DFACEE4F4 <67 57 18 8 7 6 5 3 1>
       99    1 0xffffff7f83d0c000 0x254000   0x254000   com.no-one.BrcmFirmwareStore (2.2.10) 4ED64118-8732-329E-A136-719F5CB78987 <6 5 3>
      100    0 0xffffff7f83f60000 0x6000     0x6000     com.no-one.BrcmPatchRAM2 (2.2.10) B31288AE-941C-3064-8E7D-C00266BC302A <99 23 6 5 3 1>