[  758.982135][T14572] netdevsim netdevsim344 eni344np1: renamed from eth0
[  758.992566][T14573] netdevsim netdevsim520 eni520np1: renamed from eth1
[  759.537978][T14560] Could not find device with ifindex 2000 in netnsfd 11
[  759.538555][T14560] Could not find netns with fd: 2000
[  759.538992][T14560] Cannot link a netdevsim to itself
[  759.539494][T14560] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).