[  809.613961][T14767] netdevsim netdevsim500 eni500np1: renamed from eth0
[  809.623919][T14769] netdevsim netdevsim709 eni709np1: renamed from eth1
[  810.345414][T14755] Could not find device with ifindex 2000 in netnsfd 11
[  810.345988][T14755] Could not find netns with fd: 2000
[  810.346368][T14755] Cannot link a netdevsim to itself
[  810.346801][T14755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).