[  516.190699] netdevsim netdevsim393 eni393np1: renamed from eth0
[  516.288001] netdevsim netdevsim736 eni736np1: renamed from eth1
[  516.520909] Could not find device with ifindex 2000 in netnsfd 11
[  516.521129] Could not find netns with fd: 2000
[  516.521227] Cannot link a netdevsim to itself
[  516.521345] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).