[  777.059872][T14776] netdevsim netdevsim404 eni404np1: renamed from eth0
[  777.077032][T14778] netdevsim netdevsim524 eni524np1: renamed from eth1
[  777.793718][T14764] Could not find device with ifindex 2000 in netnsfd 11
[  777.794651][T14764] Could not find netns with fd: 2000
[  777.795680][T14764] Cannot link a netdevsim to itself
[  777.796583][T14764] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).