Missing serial port after enabling serial console in loader.conf

[Przemyslaw Frasunek]

>> sio0: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 flags 0x10 on
>> acpi0
>> sio0: type 16550A, console
>> sio0: [FILTER]
> Do you have any hints for sio* in /boot/device.hints?

My /boot/device.hints are unmodified:

[root at kalina-gw ~]# grep sio /boot/device.hints
hint.sio.0.at="isa"
hint.sio.0.port="0x3F8"
hint.sio.0.flags="0x10"
hint.sio.0.irq="4"
hint.sio.1.at="isa"
hint.sio.1.port="0x2F8"
hint.sio.1.irq="3"
hint.sio.2.at="isa"
hint.sio.2.disabled="1"
hint.sio.2.port="0x3E8"
hint.sio.2.irq="5"
hint.sio.3.at="isa"
hint.sio.3.disabled="1"
hint.sio.3.port="0x2E8"
hint.sio.3.irq="9"

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