[  486.388500] netdevsim netdevsim335 eni335np1: renamed from eth0
[  486.485512] netdevsim netdevsim593 eni593np1: renamed from eth1
[  486.715280] Could not find device with ifindex 2000 in netnsfd 11
[  486.715528] Could not find netns with fd: 2000
[  486.715644] Cannot link a netdevsim to itself
[  486.715766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).