[  484.913632] netdevsim netdevsim262 eni262np1: renamed from eth0
[  484.913997] netdevsim netdevsim685 eni685np1: renamed from eth1
[  485.000810] Could not find device with ifindex 2000 in netnsfd 11
[  485.000900] Could not find netns with fd: 2000
[  485.000941] Cannot link a netdevsim to itself
[  485.000990] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).