[  514.616544] netdevsim netdevsim490 eni490np1: renamed from eth0
[  514.714347] netdevsim netdevsim716 eni716np1: renamed from eth1
[  514.930736] Could not find device with ifindex 2000 in netnsfd 11
[  514.930896] Could not find netns with fd: 2000
[  514.930979] Cannot link a netdevsim to itself
[  514.931069] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).