How do I configure PTP Timescale in LinuxPTP

Question

I'm having the same issue as this question, but no one has solved it yet: Configure PTP_Timescale parameter

In Wireshark, from the master side, I am seeing Sync and Followup Messages being sent, but under the flags section of the PTP Message, only PTP_TWO_STEP is 1. The rest of the flags are 0. It looks like this:

flags: 0x0200
  0... .... .... .... = PTP_SECURITY: False
  .0.. .... .... .... = PTP profile Specific 2: False
  ..0. .... .... .... = PTP profile Specific 1: False
  .... .0.. .... .... = PTP_UNICAST: False
  .... ..1. .... .... = PTP_TWO_STEP: True
  .... ...0 .... .... = PTP_ALTERNATE_MASTER: False
  .... .... ..0. .... = FREQUENCY_TRACEABLE: False
  .... .... ...0 .... = TIME_TRACEABLE: False
  .... .... .... 0... = PTP_TIMESCALE: False
  .... .... .... .0.. = PTP_UTC_REASONABLE: False
  .... .... .... ..0. = PTP_LI_59: False
  .... .... .... ...0 = PTP_LI_61: False

I use pmc to set the GM settings on the GM, in a different tab using:

sudo pmc -u -b 0 -t 1 "SET GRANDMASTER_SETTINGS_NP clockClass 248 \
        clockAccuracy 0xfe offsetScaledLogVariance 0xffff \
        currentUtcOffset 37 leap61 0 leap59 0 currentUtcOffsetValid 1 \
        ptpTimescale 1 timeTraceable 1 frequencyTraceable 0 \
        timeSource 0xa0"

But, when I restart ptp4l and phc2sys, and look at the packets being sent in Wireshark, I don't see the changes I made reflected in the flags. Any ideas?

How do I configure PTP Timescale in LinuxPTP

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