[  809.808991][T15755] netdevsim netdevsim450 eni450np1: renamed from eth0
[  809.830907][T15756] netdevsim netdevsim693 eni693np1: renamed from eth1
[  810.425724][T15742] Could not find device with ifindex 2000 in netnsfd 11
[  810.426357][T15742] Could not find netns with fd: 2000
[  810.427094][T15742] Cannot link a netdevsim to itself
[  810.427732][T15742] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).