[  848.731755][T15836] netdevsim netdevsim291 eni291np1: renamed from eth0
[  848.747117][T15837] netdevsim netdevsim719 eni719np1: renamed from eth1
[  849.473014][T15823] Could not find device with ifindex 2000 in netnsfd 11
[  849.473770][T15823] Could not find netns with fd: 2000
[  849.474345][T15823] Cannot link a netdevsim to itself
[  849.474989][T15823] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).