root@am64xx-evm:~# uname -a
Linux am64xx-evm 6.18.13-ti-rt-00778-gc21449208550-dirty #1 SMP PREEMPT_RT Thu Mar 26 20:21:19 UTC 2026 aarch64 GNU/Linux

root@am64xx-evm:~# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v6.18.13-ti-rt-00778-gc21449208550-dirty

Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
Peer Notification Delay (ms): 0

Slave Interface: eth0
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 98:03:8a:77:cd:3b
Slave queue ID: 0

root@am64xx-evm:~# networkctl status eth0
* 2: eth0
                   Link File: /usr/lib/systemd/network/99-default.link
                Network File: /etc/systemd/network/20-eth0.network
                       State: enslaved (configured)
                Online state: online
                        Type: ether
                        Path: platform-8000000.ethernet
                      Driver: am65-cpsw-nuss
            Hardware Address: 46:a0:b3:39:bd:1a
  Permanent Hardware Address: 98:03:8a:77:cd:3b (Texas Instruments)
                         MTU: 1500 (min: 64, max: 2002)
                       QDisc: mq
                      Master: bond0
IPv6 Address Generation Mode: none
    Number of Queues (Tx/Rx): 8/8
            Auto negotiation: yes
                       Speed: 1Gbps
                      Duplex: full
                        Port: tp
           Activation Policy: up
         Required For Online: yes
                Connected To: n/a on port 68:05:ca:16:ff:9d

Mar 13 18:24:29 am64xx-evm (udev-worker)[380]: eth0: Failed to find and pin callout binary "/usr/sbin/devlink": No such fi>
Mar 13 18:24:29 am64xx-evm (udev-worker)[380]: eth0: /usr/lib/udev/rules.d/81-net-bridge.rules:11 PROGRAM="/usr/sbin/devli>
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth0: Found matching .network file, based on potentially unpredictable i>
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth0: Configuring with /etc/systemd/network/20-eth0.network.
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth0: Found matching .network file, based on potentially unpredictable i>
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth0: Link UP
Mar 13 18:24:36 am64xx-evm systemd-networkd[495]: eth0: Gained carrier
Mar 13 18:24:36 am64xx-evm systemd-networkd[495]: eth0: Found matching .network file, based on potentially unpredictable i>


           Activation Policy: up
         Required For Online: yes

root@am64xx-evm:~# networkctl status eth1
* 3: eth1
                   Link File: /usr/lib/systemd/network/99-default.link
                Network File: /etc/systemd/network/21-eth1.network
                       State: off (failed)
                Online state: offline
                        Type: ether
                        Path: platform-8000000.ethernet
                      Driver: am65-cpsw-nuss
            Hardware Address: 70:ff:76:20:20:f2 (Texas Instruments)
                         MTU: 1500 (min: 64, max: 2002)
                       QDisc: noop
IPv6 Address Generation Mode: none
    Number of Queues (Tx/Rx): 8/8
            Auto negotiation: no
                      Duplex: half
                        Port: mii
           Activation Policy: up
         Required For Online: yes

Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Failed to set master interface: No such device
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Failed
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Trying to reconfigure the interface.
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Found matching .network file, based on potentially
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Reconfiguring with /etc/systemd/network/21-eth1.net
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Found matching .network file, based on potentially
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Found matching .network file, based on potentially
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Failed to set master interface: No such device
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: Failed
Mar 13 18:24:32 am64xx-evm systemd-networkd[495]: eth1: The interface entered the failed state frequently,