[  764.455311][T14641] netdevsim netdevsim510 eni510np1: renamed from eth0
[  764.476143][T14643] netdevsim netdevsim597 eni597np1: renamed from eth1
[  765.186673][T14629] Could not find device with ifindex 2000 in netnsfd 11
[  765.187216][T14629] Could not find netns with fd: 2000
[  765.187597][T14629] Cannot link a netdevsim to itself
[  765.188011][T14629] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).