[  860.270594][T15797] netdevsim netdevsim277 eni277np1: renamed from eth0
[  860.290095][T15798] netdevsim netdevsim583 eni583np1: renamed from eth1
[  860.933877][T15784] Could not find device with ifindex 2000 in netnsfd 11
[  860.934413][T15784] Could not find netns with fd: 2000
[  860.934795][T15784] Cannot link a netdevsim to itself
[  860.935213][T15784] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).