[  484.593385] netdevsim netdevsim357 eni357np1: renamed from eth0
[  484.593909] netdevsim netdevsim710 eni710np1: renamed from eth1
[  484.681665] Could not find device with ifindex 2000 in netnsfd 11
[  484.681750] Could not find netns with fd: 2000
[  484.681801] Cannot link a netdevsim to itself
[  484.681849] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).