[  477.866449] netdevsim netdevsim408 eni408np1: renamed from eth0
[  477.867204] netdevsim netdevsim737 eni737np1: renamed from eth1
[  477.973768] Could not find device with ifindex 2000 in netnsfd 11
[  477.973853] Could not find netns with fd: 2000
[  477.973896] Cannot link a netdevsim to itself
[  477.973945] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).