[  474.718399] netdevsim netdevsim479 eni479np1: renamed from eth0
[  474.719552] netdevsim netdevsim526 eni526np1: renamed from eth0
[  474.810367] Could not find device with ifindex 2000 in netnsfd 11
[  474.810453] Could not find netns with fd: 2000
[  474.810498] Cannot link a netdevsim to itself
[  474.810545] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).