[  852.529411][T15801] netdevsim netdevsim449 eni449np1: renamed from eth0
[  852.548056][T15799] netdevsim netdevsim703 eni703np1: renamed from eth1
[  853.159325][T15788] Could not find device with ifindex 2000 in netnsfd 11
[  853.160347][T15788] Could not find netns with fd: 2000
[  853.160935][T15788] Cannot link a netdevsim to itself
[  853.161510][T15788] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).