[  850.962551][T15796] netdevsim netdevsim262 eni262np1: renamed from eth0
[  850.964433][T15797] netdevsim netdevsim663 eni663np1: renamed from eth1
[  851.589593][T15782] Could not find device with ifindex 2000 in netnsfd 11
[  851.590850][T15782] Could not find netns with fd: 2000
[  851.591312][T15782] Cannot link a netdevsim to itself
[  851.591932][T15782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).