[  509.570908] netdevsim netdevsim479 eni479np1: renamed from eth0
[  509.668724] netdevsim netdevsim527 eni527np1: renamed from eth1
[  509.875998] Could not find device with ifindex 2000 in netnsfd 11
[  509.876162] Could not find netns with fd: 2000
[  509.876231] Cannot link a netdevsim to itself
[  509.876317] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).