root@test-b:~# dpkg -l systemd|grep systemd ii systemd 237-3ubuntu10.44 amd64 system and service manager root@test-b:~# ls -l /dev/ptp* crw------- 1 root root 246, 0 Mar 10 15:47 /dev/ptp0 crw------- 1 root root 246, 1 Mar 10 15:47 /dev/ptp1 root@test-b:~# grep . /sys/class/ptp/*/clock_name /sys/class/ptp/ptp0/clock_name:hyperv /sys/class/ptp/ptp1/clock_name:mlx5_p2p
root@test-b:~# dpkg -l systemd|grep systemd ii systemd 237-3ubuntu10.45 amd64 system and service manager root@test-b:~# ls -l /dev/ptp* crw------- 1 root root 246, 0 Mar 10 15:53 /dev/ptp0 crw------- 1 root root 246, 1 Mar 10 15:53 /dev/ptp1 lrwxrwxrwx 1 root root 4 Mar 10 15:53 /dev/ptp_hyperv -> ptp0 root@test-b:~# grep . /sys/class/ptp/*/clock_name /sys/class/ptp/ptp0/clock_name:hyperv /sys/class/ptp/ptp1/clock_name:mlx5_p2p
root@test-b:~# dpkg -l systemd|grep systemd ptp/*/clock_ name ptp/ptp0/ clock_name: hyperv ptp/ptp1/ clock_name: mlx5_p2p
ii systemd 237-3ubuntu10.44 amd64 system and service manager
root@test-b:~# ls -l /dev/ptp*
crw------- 1 root root 246, 0 Mar 10 15:47 /dev/ptp0
crw------- 1 root root 246, 1 Mar 10 15:47 /dev/ptp1
root@test-b:~# grep . /sys/class/
/sys/class/
/sys/class/
root@test-b:~# dpkg -l systemd|grep systemd ptp/*/clock_ name ptp/ptp0/ clock_name: hyperv ptp/ptp1/ clock_name: mlx5_p2p
ii systemd 237-3ubuntu10.45 amd64 system and service manager
root@test-b:~# ls -l /dev/ptp*
crw------- 1 root root 246, 0 Mar 10 15:53 /dev/ptp0
crw------- 1 root root 246, 1 Mar 10 15:53 /dev/ptp1
lrwxrwxrwx 1 root root 4 Mar 10 15:53 /dev/ptp_hyperv -> ptp0
root@test-b:~# grep . /sys/class/
/sys/class/
/sys/class/