[  475.903098] netdevsim netdevsim314 eni314np1: renamed from eth0
[  475.904256] netdevsim netdevsim755 eni755np1: renamed from eth0
[  475.983548] Could not find device with ifindex 2000 in netnsfd 11
[  475.983648] Could not find netns with fd: 2000
[  475.983693] Cannot link a netdevsim to itself
[  475.983743] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).