Can someone explain why Chrony never gets more in sync with the PTP source no matter how often I poll?
chrony.conf
20 second samples
refclock PHC /dev/ptp1 poll 0 dpoll -2 offset 0 refid PTP
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 0 377 0 -116ms[ +193ms] +/- 54ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 0 377 1 -116ms[ +193ms] +/- 54ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 0 377 1 -116ms[ +193ms] +/- 54ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 0 377 1 -116ms[ +193ms] +/- 54ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 0 377 1 -116ms[ +193ms] +/- 54ms
refclock PHC /dev/ptp1 poll -1 dpoll -2 offset 0 refid PTP
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -1 377 0 -39ms[ +116ms] +/- 55ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -1 377 0 -39ms[ +116ms] +/- 55ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -1 377 0 -39ms[ +116ms] +/- 55ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -1 377 0 -39ms[ +116ms] +/- 55ms
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -1 377 0 -39ms[ +116ms] +/- 55ms
refclock PHC /dev/ptp1 poll -2 dpoll -2 offset 0 refid PTP
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -2 377 0 -6624ns[ +77ms] +/- 25ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -2 377 0 -7842ns[ +77ms] +/- 25ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -2 377 0 -11us[ +77ms] +/- 25ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -2 377 0 -6877ns[ +77ms] +/- 25ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -2 377 0 -7078ns[ +77ms] +/- 25ns
refclock PHC /dev/ptp1 poll -4 dpoll -2 offset 0 refid PTP
#* PTP 0 -4 377 0 -7051ns[ +19ms] +/- 24ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -4 377 0 -6795ns[ +19ms] +/- 24ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -4 377 0 -5605ns[ +19ms] +/- 24ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -4 377 0 -9143ns[ +19ms] +/- 24ns
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* PTP 0 -4 377 0 -5367ns[ +19ms] +/- 24ns