[  523.905801] netdevsim netdevsim730 eni730np1: renamed from eth1
[  524.002598] netdevsim netdevsim413 eni413np1: renamed from eth0
[  524.245307] Could not find device with ifindex 2000 in netnsfd 11
[  524.245506] Could not find netns with fd: 2000
[  524.245597] Cannot link a netdevsim to itself
[  524.245717] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).