[  474.975615] netdevsim netdevsim311 eni311np1: renamed from eth0
[  474.976892] netdevsim netdevsim636 eni636np1: renamed from eth0
[  475.070295] Could not find device with ifindex 2000 in netnsfd 11
[  475.070421] Could not find netns with fd: 2000
[  475.070479] Cannot link a netdevsim to itself
[  475.070554] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).