[  812.404640][T15784] netdevsim netdevsim397 eni397np1: renamed from eth0
[  812.418085][T15786] netdevsim netdevsim761 eni761np1: renamed from eth1
[  813.007911][T15772] Could not find device with ifindex 2000 in netnsfd 11
[  813.008589][T15772] Could not find netns with fd: 2000
[  813.009168][T15772] Cannot link a netdevsim to itself
[  813.009753][T15772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).