[  842.085185][T15630] netdevsim netdevsim337 eni337np1: renamed from eth0
[  842.096212][T15631] netdevsim netdevsim758 eni758np1: renamed from eth1
[  842.696972][T15619] Could not find device with ifindex 2000 in netnsfd 11
[  842.697955][T15619] Could not find netns with fd: 2000
[  842.698582][T15619] Cannot link a netdevsim to itself
[  842.699176][T15619] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).