[  764.501719][T14576] netdevsim netdevsim281 eni281np1: renamed from eth0
[  764.520848][T14578] netdevsim netdevsim545 eni545np1: renamed from eth1
[  765.101864][T14564] Could not find device with ifindex 2000 in netnsfd 11
[  765.102559][T14564] Could not find netns with fd: 2000
[  765.103011][T14564] Cannot link a netdevsim to itself
[  765.103506][T14564] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).