[  808.720348][T15775] netdevsim netdevsim457 eni457np1: renamed from eth0
[  808.740828][T15774] netdevsim netdevsim580 eni580np1: renamed from eth1
[  809.383501][T15763] Could not find device with ifindex 2000 in netnsfd 11
[  809.384450][T15763] Could not find netns with fd: 2000
[  809.385050][T15763] Cannot link a netdevsim to itself
[  809.385697][T15763] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).