[  808.874253][T15839] netdevsim netdevsim457 eni457np1: renamed from eth0
[  808.885605][T15838] netdevsim netdevsim602 eni602np1: renamed from eth1
[  809.493650][T15826] Could not find device with ifindex 2000 in netnsfd 11
[  809.494373][T15826] Could not find netns with fd: 2000
[  809.494931][T15826] Cannot link a netdevsim to itself
[  809.495577][T15826] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).