[  490.585343] netdevsim netdevsim751 eni751np1: renamed from eth1
[  490.585924] netdevsim netdevsim278 eni278np1: renamed from eth0
[  490.675902] Could not find device with ifindex 2000 in netnsfd 11
[  490.676008] Could not find netns with fd: 2000
[  490.676055] Cannot link a netdevsim to itself
[  490.676109] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).