[  804.540009][T15658] netdevsim netdevsim631 eni631np1: renamed from eth1
[  804.552808][T15661] netdevsim netdevsim277 eni277np1: renamed from eth0
[  805.200178][T15647] Could not find device with ifindex 2000 in netnsfd 11
[  805.201026][T15647] Could not find netns with fd: 2000
[  805.201673][T15647] Cannot link a netdevsim to itself
[  805.202236][T15647] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).