eqos ethernet not working well after update to 11.99.9

[Benny Siegert <bsiegert%netbsd.org@localhost>]

Hi!

I updated my VisionFive (riscv64) to the latest current yesterday, and now 
the Ethernet interface has issues. ssh into the machine hangs after

debug1: expecting SSH2_MSG_KEX_ECDH_REPLY

This is after connection has been established. It reproducibly hangs at 
this stage.

Meanwhile, on the serial console, I see kernel messages like this:

[ 689.5963642] eqos0: TX [250] tx error: 0x10009000
[ 689.5963642] eqos0: TX [252] tx error: 0x10009000
[ 689.5963642] eqos0: TX [2] tx error: 0x10009000
[ 786.5986961] eqos0: TX [11] tx error: 0x10009000
[ 786.5986961] eqos0: TX [16] tx error: 0x10009000
[ 786.5986961] eqos0: TX [23] tx error: 0x10009000


The device is:

[     1.000000] eqos0 at simplebus1: DesignWare EQOS ver 0x52 (0x41)
[     1.000000] eqos0: hw features 1a2173f7 09845904 01000000 00000000
[     1.000000] mcommphy0 at eqos0 phy 0: Motorcomm YT8531 GbE PHY
[     1.000000] eqos0: interrupting on plic0 irq 7

This seems like a recent regression. Should I file a PR?

--
Benny