[  759.250360][T14552] netdevsim netdevsim305 eni305np1: renamed from eth0
[  759.276418][T14554] netdevsim netdevsim623 eni623np1: renamed from eth1
[  759.812451][T14540] Could not find device with ifindex 2000 in netnsfd 11
[  759.817647][T14540] Could not find netns with fd: 2000
[  759.818096][T14540] Cannot link a netdevsim to itself
[  759.818852][T14540] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).