[  752.320383][T14752] netdevsim netdevsim402 eni402np1: renamed from eth0
[  752.336786][T14754] netdevsim netdevsim616 eni616np1: renamed from eth1
[  752.875303][T14740] Could not find device with ifindex 2000 in netnsfd 11
[  752.875833][T14740] Could not find netns with fd: 2000
[  752.876268][T14740] Cannot link a netdevsim to itself
[  752.876714][T14740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).