[  753.171199][T14438] netdevsim netdevsim380 eni380np1: renamed from eth0
[  753.196566][T14440] netdevsim netdevsim556 eni556np1: renamed from eth1
[  753.720205][T14426] Could not find device with ifindex 2000 in netnsfd 11
[  753.720849][T14426] Could not find netns with fd: 2000
[  753.721300][T14426] Cannot link a netdevsim to itself
[  753.721785][T14426] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).