root@am335x-evm:~# uname -r
6.12.49-ti-g1a86d36433ea
root@am335x-evm:~# ptp4l -v
3.0-00212-g82a7888
root@am335x-evm:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether e2:67:54:e8:7f:9b brd ff:ff:ff:ff:ff:ff
    inet6 fe80::e067:54ff:fee8:7f9b/64 scope link proto kernel_ll 
       valid_lft forever preferred_lft forever
4: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether e2:67:54:e8:7f:9b brd ff:ff:ff:ff:ff:ff
    inet6 fe80::e067:54ff:fee8:7f9b/64 scope link proto kernel_ll 
       valid_lft forever preferred_lft forever
5: hsr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether e2:67:54:e8:7f:9b brd ff:ff:ff:ff:ff:ff
    inet 172.16.2.154/24 scope global hsr0
       valid_lft forever preferred_lft forever
    inet6 fe80::e067:54ff:fee8:7f9b/64 scope link proto kernel_ll 
       valid_lft forever preferred_lft forever

root@am335x-evm:~# ptp4l -f oc.cfg -m
ptp4l[469.937]: selected /dev/ptp0 as PTP clock
ptp4l[469.943]: HSR master (port 1): slave1 eth0, slave2 eth1
ptp4l[469.944]: HSR slave1 eth0 (port 2): master hsr0, paired slave2 eth1
ptp4l[469.945]: HSR slave2 eth1 (port 3): master hsr0, paired slave1 eth0
ptp4l[469.946]: HSR master (port 1): slave1 eth0, slave2 eth1
ptp4l[469.946]: HSR slave1 eth0 (port 2): master hsr0, paired slave2 eth1
ptp4l[469.946]: HSR slave2 eth1 (port 3): master hsr0, paired slave1 eth0
ptp4l[470.002]: port 1 (hsr0): INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[470.005]: red port 2 (eth0): INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[470.008]: red port 3 (eth1): INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[470.009]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[473.075]: port 3: announce timeout 0
ptp4l[473.078]: red port 3 (eth1): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[473.078]: selected best master clock e26754.fffe.e87f9b
ptp4l[473.079]: selected local clock e26754.fffe.e87f9b as best master
ptp4l[473.079]: port 3: assuming the grand master role
ptp4l[473.299]: port 2: announce timeout 0
ptp4l[473.301]: red port 2 (eth0): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[473.301]: selected best master clock e26754.fffe.e87f9b
ptp4l[473.302]: selected local clock e26754.fffe.e87f9b as best master
ptp4l[473.302]: port 2: assuming the grand master role
ptp4l[473.302]: port 3: assuming the grand master role