[  519.181082] netdevsim netdevsim744 eni744np1: renamed from eth1
[  519.277873] netdevsim netdevsim292 eni292np1: renamed from eth0
[  519.509555] Could not find device with ifindex 2000 in netnsfd 11
[  519.509752] Could not find netns with fd: 2000
[  519.509848] Cannot link a netdevsim to itself
[  519.509937] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).