[  532.668059][ T6493] netdevsim netdevsim318 eni318np1: renamed from eth0
[  532.772931][ T6494] netdevsim netdevsim756 eni756np1: renamed from eth1
[  535.276639][ T6481] Could not find device with ifindex 2000 in netnsfd 11
[  535.277808][ T6481] Could not find netns with fd: 2000
[  535.278696][ T6481] Cannot link a netdevsim to itself
[  535.279831][ T6481] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).