[  490.055838] netdevsim netdevsim426 eni426np1: renamed from eth0
[  490.152759] netdevsim netdevsim563 eni563np1: renamed from eth1
[  490.401042] Could not find device with ifindex 2000 in netnsfd 11
[  490.401369] Could not find netns with fd: 2000
[  490.401467] Cannot link a netdevsim to itself
[  490.401597] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).