ptp4l[248482.281]: ethtool ptp4l[248482.282]: selected /dev/ptp1 as PTP clock ptp4l[248482.287]: port 1 (eth1): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[248482.288]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[248482.288]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[248482.289]: ethtool ptp4l[248486.516]: port 1 (eth1): new foreign master 000db9.fffe.60aa6e-1 ptp4l[248490.516]: selected best master clock 000db9.fffe.60aa6e ptp4l[248490.517]: port 1 (eth1): LISTENING to UNCALIBRATED on RS_SLAVE ptp4l[248491.516]: master offset -495186 s0 freq -689 path delay 608 ptp4l[248492.516]: master offset -495289 s1 freq -792 path delay 608 ptp4l[248493.517]: master offset -5760 s2 freq -6552 path delay 608 ptp4l[248493.517]: port 1 (eth1): UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED ptp4l[248494.517]: master offset -3 s2 freq -2523 path delay 608 ptp4l[248495.518]: master offset 1731 s2 freq -790 path delay 608 ptp4l[248496.518]: master offset 1722 s2 freq -280 path delay 608 ptp4l[248497.518]: master offset 1210 s2 freq -275 path delay 608 ptp4l[248498.518]: master offset 693 s2 freq -429 path delay 608 ptp4l[248499.518]: master offset 322 s2 freq -592 path delay 608 ptp4l[248500.518]: master offset 122 s2 freq -695 path delay 608 ptp4l[248501.519]: master offset 25 s2 freq -756 path delay 608 ptp4l[248502.519]: master offset -19 s2 freq -792 path delay 608 ptp4l[248503.519]: master offset -18 s2 freq -797 path delay 608 ptp4l[248504.520]: master offset -13 s2 freq -797 path delay 608 ptp4l[248505.520]: master offset -15 s2 freq -803 path delay 608 ptp4l[248506.520]: master offset -4 s2 freq -797 path delay 608 ptp4l[248507.522]: master offset -5 s2 freq -799 path delay 608 ptp4l[248508.522]: master offset 2 s2 freq -794 path delay 608 ptp4l[248509.523]: master offset 4 s2 freq -791 path delay 608 ptp4l[248510.523]: master offset -5 s2 freq -799 path delay 608 ptp4l[248511.523]: master offset 2 s2 freq -793 path delay 608 ptp4l[248512.524]: master offset -5 s2 freq -800 path delay 608 ptp4l[248513.524]: master offset 3 s2 freq -793 path delay 608 ptp4l[248514.524]: master offset 4 s2 freq -791 path delay 608 ptp4l[248515.524]: master offset -4 s2 freq -798 path delay 608 ptp4l[248516.525]: master offset 2 s2 freq -793 path delay 608 ptp4l[248517.525]: master offset -5 s2 freq -800 path delay 608 ptp4l[248518.525]: master offset 3 s2 freq -793 path delay 608 ptp4l[248519.525]: master offset 5 s2 freq -790 path delay 608 ptp4l[248520.535]: master offset -6 s2 freq -800 path delay 608 ptp4l[248521.536]: master offset 2 s2 freq -794 path delay 608 ptp4l[248522.543]: master offset 4 s2 freq -791 path delay 608 ptp4l[248523.545]: master offset -5 s2 freq -799 path delay 608 ptp4l[248524.536]: master offset 2 s2 freq -793 path delay 608 ptp4l[248525.536]: master offset -5 s2 freq -800 path delay 608 ptp4l[248526.536]: master offset 3 s2 freq -793 path delay 608 ptp4l[248527.544]: master offset 2 s2 freq -793 path delay 608 ptp4l[248528.544]: master offset -5 s2 freq -800 path delay 608 ptp4l[248529.544]: master offset 3 s2 freq -793 path delay 608 ptp4l[248530.544]: master offset 4 s2 freq -791 path delay 608 ptp4l[248531.545]: master offset -4 s2 freq -798 path delay 608 ptp4l[248532.545]: master offset 2 s2 freq -793 path delay 608 ptp4l[248533.545]: master offset -5 s2 freq -800 path delay 608 ptp4l[248534.545]: master offset 3 s2 freq -793 path delay 608 ptp4l[248535.546]: master offset -4 s2 freq -799 path delay 608 ptp4l[248536.546]: master offset 4 s2 freq -792 path delay 608 ptp4l[248537.546]: master offset -4 s2 freq -799 path delay 608 ptp4l[248538.546]: master offset 4 s2 freq -792 path delay 608 ptp4l[248539.547]: master offset -3 s2 freq -798 path delay 608 ptp4l[248540.547]: master offset 3 s2 freq -793 path delay 608 ptp4l[248541.547]: master offset -4 s2 freq -799 path delay 608 ptp4l[248542.548]: master offset -4 s2 freq -800 path delay 608 ptp4l[248543.548]: master offset 5 s2 freq -793 path delay 608 ptp4l[248544.548]: master offset -3 s2 freq -799 path delay 608 ptp4l[248545.549]: master offset 5 s2 freq -792 path delay 608 ptp4l[248546.549]: master offset 5 s2 freq -791 path delay 608 ptp4l[248547.549]: master offset -4 s2 freq -798 path delay 608 ptp4l[248548.549]: master offset 2 s2 freq -793 path delay 608 ptp4l[248549.549]: master offset -5 s2 freq -800 path delay 608 ptp4l[248550.550]: master offset -5 s2 freq -801 path delay 608 ptp4l[248551.550]: master offset 4 s2 freq -794 path delay 608 ptp4l[248552.550]: master offset -2 s2 freq -798 path delay 608 ptp4l[248553.550]: master offset 5 s2 freq -792 path delay 608 ptp4l[248554.551]: master offset -3 s2 freq -799 path delay 608 ptp4l[248555.551]: master offset 4 s2 freq -792 path delay 608 ptp4l[248556.551]: master offset -4 s2 freq -799 path delay 608 ptp4l[248557.552]: master offset 4 s2 freq -792 path delay 608 ptp4l[248558.552]: master offset -3 s2 freq -798 path delay 608 ptp4l[248559.552]: master offset 3 s2 freq -793 path delay 608 ptp4l[248560.552]: master offset -4 s2 freq -799 path delay 608 ptp4l[248561.553]: master offset 3 s2 freq -793 path delay 608 ptp4l[248562.553]: master offset 5 s2 freq -791 path delay 608 ptp4l[248563.553]: master offset -4 s2 freq -798 path delay 608 ptp4l[248564.557]: master offset 2 s2 freq -793 path delay 608 ptp4l[248565.553]: master offset -5 s2 freq -800 path delay 608 ptp4l[248566.553]: master offset 3 s2 freq -793 path delay 608 ptp4l[248567.554]: master offset -4 s2 freq -799 path delay 608 ptp4l[248568.553]: master offset 3 s2 freq -793 path delay 608 ptp4l[248569.554]: master offset -3 s2 freq -799 path delay 608 ptp4l[248570.554]: master offset 4 s2 freq -792 path delay 608 ptp4l[248571.559]: master offset 4 s2 freq -791 path delay 608 ptp4l[248572.554]: master offset -5 s2 freq -799 path delay 608 ptp4l[248573.555]: master offset 3 s2 freq -793 path delay 608 ptp4l[248574.554]: master offset -5 s2 freq -800 path delay 608 ptp4l[248575.555]: master offset 3 s2 freq -793 path delay 608 ptp4l[248576.555]: master offset 4 s2 freq -791 path delay 608 ptp4l[248577.555]: master offset -4 s2 freq -798 path delay 608 ptp4l[248578.555]: master offset 2 s2 freq -793 path delay 608 ptp4l[248579.556]: master offset -5 s2 freq -800 path delay 608 ptp4l[248580.556]: master offset 3 s2 freq -793 path delay 608 ptp4l[248581.556]: master offset 4 s2 freq -791 path delay 608 ptp4l[248582.556]: master offset -4 s2 freq -798 path delay 608 ptp4l[248583.557]: master offset 2 s2 freq -793 path delay 608 ptp4l[248584.566]: master offset 3 s2 freq -792 path delay 608 ptp4l[248585.560]: master offset -5 s2 freq -799 path delay 608 ptp4l[248586.557]: master offset 2 s2 freq -793 path delay 608 ptp4l[248587.558]: master offset -5 s2 freq -800 path delay 608 ptp4l[248588.558]: master offset 3 s2 freq -793 path delay 608 ptp4l[248589.558]: master offset 5 s2 freq -790 path delay 608 ptp4l[248590.559]: master offset -5 s2 freq -799 path delay 608 ptp4l[248591.564]: master offset 2 s2 freq -793 path delay 608 ptp4l[248592.559]: master offset 3 s2 freq -792 path delay 608 ptp4l[248593.559]: master offset -5 s2 freq -799 path delay 608 ptp4l[248594.560]: master offset 2 s2 freq -793 path delay 608 ptp4l[248595.560]: master offset 4 s2 freq -791 path delay 608 ptp4l[248596.560]: master offset -6 s2 freq -799 path delay 608 ptp4l[248597.564]: master offset 2 s2 freq -793 path delay 608 ptp4l[248598.561]: master offset 3 s2 freq -792 path delay 608 ptp4l[248599.561]: master offset -5 s2 freq -799 path delay 608 ptp4l[248600.561]: master offset 2 s2 freq -793 path delay 608 ptp4l[248601.561]: master offset 4 s2 freq -791 path delay 608 ptp4l[248602.562]: master offset -6 s2 freq -799 path delay 608 ptp4l[248603.572]: master offset 6 s2 freq -789 path delay 608 ptp4l[248604.568]: master offset -4 s2 freq -797 path delay 608 ptp4l[248605.568]: master offset 2 s2 freq -793 path delay 608 ptp4l[248606.568]: master offset 2 s2 freq -792 path delay 608 ptp4l[248607.568]: master offset -6 s2 freq -799 path delay 608 ptp4l[248608.568]: master offset 2 s2 freq -793 path delay 608 ptp4l[248609.569]: master offset 3 s2 freq -792 path delay 608 ptp4l[248610.569]: master offset 3 s2 freq -791 path delay 608 ptp4l[248611.569]: master offset -6 s2 freq -799 path delay 608 ptp4l[248612.570]: master offset 1 s2 freq -794 path delay 608 ptp4l[248613.570]: master offset 3 s2 freq -791 path delay 608 ptp4l[248614.570]: master offset 2 s2 freq -791 path delay 608 ptp4l[248615.570]: master offset -6 s2 freq -799 path delay 608 ptp4l[248616.570]: master offset 1 s2 freq -794 path delay 608 ptp4l[248617.571]: master offset 3 s2 freq -791 path delay 608 ptp4l[248618.571]: master offset 2 s2 freq -791 path delay 608 ptp4l[248619.572]: master offset 2 s2 freq -791 path delay 608 ptp4l[248620.572]: master offset -7 s2 freq -799 path delay 608 ptp4l[248621.572]: master offset 1 s2 freq -793 path delay 608 ptp4l[248622.572]: master offset 2 s2 freq -792 path delay 608 ptp4l[248623.573]: master offset 2 s2 freq -791 path delay 608 ptp4l[248624.573]: master offset 2 s2 freq -791 path delay 608 ptp4l[248625.573]: master offset -7 s2 freq -799 path delay 608 ptp4l[248626.573]: master offset 0 s2 freq -794 path delay 608 ptp4l[248627.581]: master offset 3 s2 freq -791 path delay 608 ptp4l[248628.574]: master offset 2 s2 freq -791 path delay 608 ptp4l[248629.574]: master offset 2 s2 freq -791 path delay 608 ptp4l[248630.574]: master offset 1 s2 freq -791 path delay 608 ptp4l[248631.575]: master offset 1 s2 freq -791 path delay 608 ptp4l[248632.575]: master offset -8 s2 freq -800 path delay 608 ptp4l[248633.580]: master offset -1 s2 freq -795 path delay 608 ptp4l[248634.575]: master offset 2 s2 freq -792 path delay 608 ptp4l[248635.590]: master offset 3 s2 freq -791 path delay 608 ptp4l[248636.575]: master offset 2 s2 freq -791 path delay 608 ptp4l[248637.582]: master offset 1 s2 freq -791 path delay 608 ptp4l[248638.576]: master offset 0 s2 freq -792 path delay 608 ptp4l[248639.576]: master offset -8 s2 freq -800 path delay 608 ptp4l[248640.576]: master offset 0 s2 freq -794 path delay 608 ptp4l[248641.577]: master offset 3 s2 freq -791 path delay 608 ptp4l[248642.576]: master offset 2 s2 freq -791 path delay 608 ptp4l[248643.577]: master offset 2 s2 freq -791 path delay 608 ptp4l[248644.577]: master offset -7 s2 freq -799 path delay 608 ptp4l[248645.580]: master offset 0 s2 freq -794 path delay 608 ptp4l[248646.577]: master offset 2 s2 freq -792 path delay 608 ptp4l[248647.578]: master offset 3 s2 freq -791 path delay 608 ptp4l[248648.578]: master offset 2 s2 freq -791 path delay 608 ptp4l[248649.578]: master offset 1 s2 freq -791 path delay 608 ptp4l[248650.594]: master offset -3 s2 freq -795 path delay 608 ptp4l[248651.584]: master offset 0 s2 freq -793 path delay 608 ptp4l[248652.595]: master offset -7 s2 freq -800 path delay 608 ptp4l[248653.602]: master offset 1 s2 freq -794 path delay 608 ptp4l[248654.595]: master offset 3 s2 freq -792 path delay 608 ptp4l[248655.596]: master offset 3 s2 freq -791 path delay 608 ptp4l[248656.596]: master offset 2 s2 freq -791 path delay 608 ptp4l[248657.596]: master offset -7 s2 freq -799 path delay 608 ptp4l[248658.604]: master offset 0 s2 freq -794 path delay 608 ptp4l[248659.597]: master offset 3 s2 freq -791 path delay 608 ptp4l[248660.597]: master offset 2 s2 freq -791 path delay 608 ptp4l[248661.597]: master offset -6 s2 freq -799 path delay 608 ptp4l[248662.597]: master offset 1 s2 freq -794 path delay 608 ptp4l[248663.597]: master offset 3 s2 freq -791 path delay 608 ptp4l[248664.598]: master offset 2 s2 freq -791 path delay 608 ptp4l[248665.598]: master offset 2 s2 freq -791 path delay 608 ptp4l[248666.598]: master offset -7 s2 freq -799 path delay 608 ptp4l[248667.599]: master offset 0 s2 freq -794 path delay 608 ptp4l[248668.599]: master offset 3 s2 freq -791 path delay 608 ptp4l[248669.599]: master offset 2 s2 freq -791 path delay 608 ptp4l[248670.600]: master offset -6 s2 freq -799 path delay 608 ptp4l[248671.600]: master offset 1 s2 freq -794 path delay 608 ptp4l[248672.600]: master offset 3 s2 freq -791 path delay 608 ptp4l[248673.600]: master offset -5 s2 freq -798 path delay 608 ptp4l[248674.601]: master offset 1 s2 freq -794 path delay 608 ptp4l[248675.601]: master offset 3 s2 freq -792 path delay 608 ptp4l[248676.601]: master offset -5 s2 freq -799 path delay 608 ptp4l[248677.601]: master offset 2 s2 freq -793 path delay 608 ptp4l[248678.602]: master offset 3 s2 freq -792 path delay 608 ptp4l[248679.633]: master offset 3 s2 freq -791 path delay 608 ptp4l[248680.602]: master offset -6 s2 freq -799 path delay 608 ptp4l[248681.602]: master offset 1 s2 freq -794 path delay 608 ptp4l[248682.637]: master offset -1 s2 freq -795 path delay 608 ptp4l[248683.608]: master offset 2 s2 freq -793 path delay 608 ptp4l[248684.608]: master offset 3 s2 freq -791 path delay 608 ptp4l[248685.608]: master offset 2 s2 freq -791 path delay 608 ptp4l[248686.609]: master offset -7 s2 freq -800 path delay 608 ptp4l[248687.612]: master offset 1 s2 freq -794 path delay 608 ptp4l[248688.609]: master offset 3 s2 freq -791 path delay 608 ptp4l[248689.609]: master offset -5 s2 freq -798 path delay 608 ptp4l[248690.609]: master offset 1 s2 freq -794 path delay 608 ptp4l[248691.610]: master offset 3 s2 freq -792 path delay 608 ptp4l[248692.610]: master offset 3 s2 freq -791 path delay 608 ptp4l[248693.610]: master offset -6 s2 freq -799 path delay 608 ptp4l[248694.611]: master offset 1 s2 freq -794 path delay 608 ptp4l[248695.611]: master offset 3 s2 freq -791 path delay 608 ptp4l[248696.611]: master offset 2 s2 freq -791 path delay 608 ptp4l[248697.615]: master offset -6 s2 freq -799 path delay 608 ptp4l[248698.612]: master offset 1 s2 freq -794 path delay 608 ptp4l[248699.612]: master offset 3 s2 freq -791 path delay 608 ptp4l[248700.612]: master offset 2 s2 freq -791 path delay 608 ptp4l[248701.612]: master offset 2 s2 freq -791 path delay 608 ptp4l[248702.612]: master offset -7 s2 freq -799 path delay 608 ptp4l[248703.613]: master offset 0 s2 freq -794 path delay 608 ptp4l[248704.613]: master offset 2 s2 freq -792 path delay 608 ptp4l[248705.613]: master offset 3 s2 freq -791 path delay 608 ptp4l[248706.613]: master offset -6 s2 freq -799 path delay 608 ptp4l[248707.613]: master offset 1 s2 freq -794 path delay 608 ptp4l[248708.614]: master offset 3 s2 freq -791 path delay 608 ptp4l[248709.614]: master offset 2 s2 freq -791 path delay 608 ptp4l[248710.614]: master offset 2 s2 freq -791 path delay 608 ptp4l[248711.615]: master offset -7 s2 freq -799 path delay 608 ptp4l[248712.615]: master offset 0 s2 freq -794 path delay 608 ptp4l[248713.615]: master offset 3 s2 freq -791 path delay 608 ptp4l[248714.616]: master offset 3 s2 freq -790 path delay 608 ptp4l[248715.616]: master offset 1 s2 freq -792 path delay 608 ptp4l[248716.616]: master offset 1 s2 freq -791 path delay 608 ptp4l[248717.617]: master offset -8 s2 freq -800 path delay 608 ptp4l[248718.617]: master offset 1 s2 freq -793 path delay 608 ptp4l[248719.617]: master offset 2 s2 freq -792 path delay 608 ptp4l[248720.618]: master offset 2 s2 freq -791 path delay 608 ptp4l[248721.618]: master offset 2 s2 freq -791 path delay 608 ptp4l[248722.618]: master offset 1 s2 freq -791 path delay 608 ptp4l[248723.618]: master offset 0 s2 freq -792 path delay 608 ptp4l[248724.618]: master offset 0 s2 freq -792 path delay 608 ptp4l[248725.656]: master offset -8 s2 freq -800 path delay 608 ptp4l[248726.619]: master offset 0 s2 freq -794 path delay 608 ptp4l[248727.619]: master offset 3 s2 freq -791 path delay 608 ptp4l[248728.619]: master offset 2 s2 freq -791 path delay 608 ptp4l[248729.620]: master offset 2 s2 freq -791 path delay 608 ptp4l[248730.620]: master offset 1 s2 freq -791 path delay 608 ptp4l[248731.620]: master offset 1 s2 freq -791 path delay 608 ptp4l[248732.621]: master offset 0 s2 freq -792 path delay 608 ptp4l[248733.621]: master offset 0 s2 freq -792 path delay 608 ptp4l[248734.621]: master offset -9 s2 freq -801 path delay 608 ptp4l[248735.621]: master offset 0 s2 freq -794 path delay 608 ptp4l[248736.622]: master offset 3 s2 freq -791 path delay 608 ptp4l[248737.622]: master offset 2 s2 freq -791 path delay 608 ptp4l[248738.622]: master offset 2 s2 freq -791 path delay 608 ptp4l[248739.623]: master offset 1 s2 freq -791 path delay 608 ptp4l[248740.623]: master offset 0 s2 freq -792 path delay 608 ptp4l[248741.623]: master offset 0 s2 freq -792 path delay 608 ptp4l[248742.623]: master offset 0 s2 freq -792 path delay 608 ptp4l[248743.624]: master offset 1 s2 freq -791 path delay 608 ptp4l[248744.628]: master offset -1 s2 freq -793 path delay 608 ptp4l[248745.643]: master offset 1 s2 freq -791 path delay 608 ptp4l[248746.624]: master offset 0 s2 freq -792 path delay 608 ptp4l[248747.625]: master offset 0 s2 freq -792 path delay 608 ptp4l[248748.625]: master offset -1 s2 freq -793 path delay 608 ptp4l[248749.625]: master offset 0 s2 freq -792 path delay 608 ptp4l[248750.626]: master offset 0 s2 freq -792 path delay 608 ptp4l[248751.626]: master offset -7 s2 freq -799 path delay 608 ptp4l[248752.626]: master offset 0 s2 freq -794 path delay 608 ptp4l[248753.627]: master offset 2 s2 freq -792 path delay 608 ptp4l[248754.627]: master offset 2 s2 freq -791 path delay 608 ptp4l[248755.627]: master offset 2 s2 freq -791 path delay 608 ptp4l[248756.628]: master offset 1 s2 freq -791 path delay 608 ptp4l[248757.628]: master offset 1 s2 freq -791 path delay 608 ptp4l[248758.633]: master offset 0 s2 freq -792 path delay 608 ptp4l[248759.629]: master offset -1 s2 freq -793 path delay 608 ptp4l[248760.629]: master offset 0 s2 freq -792 path delay 608 ptp4l[248761.629]: master offset 0 s2 freq -792 path delay 608 ptp4l[248762.629]: master offset 1 s2 freq -791 path delay 608 ptp4l[248763.630]: master offset 8 s2 freq -784 path delay 608 ptp4l[248764.630]: master offset 0 s2 freq -789 path delay 608 ptp4l[248765.645]: master offset -3 s2 freq -792 path delay 608 ptp4l[248766.631]: master offset -4 s2 freq -794 path delay 609 ptp4l[248767.631]: master offset -1 s2 freq -792 path delay 609 ptp4l[248768.631]: master offset -1 s2 freq -793 path delay 609 ptp4l[248769.631]: master offset 0 s2 freq -792 path delay 609 ptp4l[248770.631]: master offset 1 s2 freq -791 path delay 608 ptp4l[248771.632]: master offset 0 s2 freq -792 path delay 608 ptp4l[248772.632]: master offset 0 s2 freq -792 path delay 608 ptp4l[248773.632]: master offset 0 s2 freq -792 path delay 608 ptp4l[248774.633]: master offset 0 s2 freq -792 path delay 608 ptp4l[248775.633]: master offset 0 s2 freq -792 path delay 608 ptp4l[248776.635]: master offset 1 s2 freq -791 path delay 608 ptp4l[248777.635]: master offset 0 s2 freq -791 path delay 608 ptp4l[248778.636]: master offset -1 s2 freq -792 path delay 608 ptp4l[248779.636]: master offset 0 s2 freq -792 path delay 608 ptp4l[248780.636]: master offset 0 s2 freq -792 path delay 608 ptp4l[248781.636]: master offset -1 s2 freq -793 path delay 608 ptp4l[248782.636]: master offset 0 s2 freq -792 path delay 608 ptp4l[248783.665]: master offset 1 s2 freq -791 path delay 608 ptp4l[248784.638]: master offset 0 s2 freq -792 path delay 608 ptp4l[248785.639]: master offset 0 s2 freq -792 path delay 608 ptp4l[248786.639]: master offset 0 s2 freq -792 path delay 608 ptp4l[248787.639]: master offset 0 s2 freq -792 path delay 608 ptp4l[248788.650]: master offset 0 s2 freq -792 path delay 608 ptp4l[248789.640]: master offset 8 s2 freq -784 path delay 608 ptp4l[248790.640]: master offset -1 s2 freq -790 path delay 608 ptp4l[248791.640]: master offset -2 s2 freq -792 path delay 608 ptp4l[248792.641]: master offset -2 s2 freq -792 path delay 608 ptp4l[248793.641]: master offset -2 s2 freq -793 path delay 608 ptp4l[248794.641]: master offset -1 s2 freq -792 path delay 608 ptp4l[248795.642]: master offset 0 s2 freq -792 path delay 608 ptp4l[248796.642]: master offset -1 s2 freq -793 path delay 608 ptp4l[248797.642]: master offset 0 s2 freq -792 path delay 608 ptp4l[248798.643]: master offset 0 s2 freq -792 path delay 608 ptp4l[248799.643]: master offset 1 s2 freq -791 path delay 608