[  651.659671][T10153] netdevsim netdevsim487 eni487np1: renamed from eth0
[  651.680140][T10155] netdevsim netdevsim604 eni604np1: renamed from eth1
[  652.274471][T10141] Could not find device with ifindex 2000 in netnsfd 11
[  652.275292][T10141] Could not find netns with fd: 2000
[  652.275668][T10141] Cannot link a netdevsim to itself
[  652.276131][T10141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).