[  799.580768][T14752] netdevsim netdevsim490 eni490np1: renamed from eth0
[  799.603406][T14754] netdevsim netdevsim654 eni654np1: renamed from eth1
[  800.214703][T14740] Could not find device with ifindex 2000 in netnsfd 11
[  800.215567][T14740] Could not find netns with fd: 2000
[  800.216029][T14740] Cannot link a netdevsim to itself
[  800.216589][T14740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).