[  524.533956] netdevsim netdevsim341 eni341np1: renamed from eth0
[  524.630927] netdevsim netdevsim603 eni603np1: renamed from eth1
[  524.881086] Could not find device with ifindex 2000 in netnsfd 11
[  524.881265] Could not find netns with fd: 2000
[  524.881348] Cannot link a netdevsim to itself
[  524.881450] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).