[  787.544077][T14456] netdevsim netdevsim266 eni266np1: renamed from eth0
[  787.570876][T14458] netdevsim netdevsim581 eni581np1: renamed from eth1
[  788.297390][T14444] Could not find device with ifindex 2000 in netnsfd 11
[  788.298009][T14444] Could not find netns with fd: 2000
[  788.298483][T14444] Cannot link a netdevsim to itself
[  788.299374][T14444] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).