[  764.684520][T14741] netdevsim netdevsim297 eni297np1: renamed from eth0
[  764.706301][T14743] netdevsim netdevsim532 eni532np1: renamed from eth1
[  765.271164][T14729] Could not find device with ifindex 2000 in netnsfd 11
[  765.271646][T14729] Could not find netns with fd: 2000
[  765.271983][T14729] Cannot link a netdevsim to itself
[  765.272478][T14729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).