[  519.766182] netdevsim netdevsim426 eni426np1: renamed from eth0
[  519.863496] netdevsim netdevsim563 eni563np1: renamed from eth1
[  520.093993] Could not find device with ifindex 2000 in netnsfd 11
[  520.094194] Could not find netns with fd: 2000
[  520.094296] Cannot link a netdevsim to itself
[  520.094420] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).