[  759.778123][T14560] netdevsim netdevsim303 eni303np1: renamed from eth0
[  759.789594][T14562] netdevsim netdevsim542 eni542np1: renamed from eth1
[  760.373871][T14548] Could not find device with ifindex 2000 in netnsfd 11
[  760.374446][T14548] Could not find netns with fd: 2000
[  760.375275][T14548] Cannot link a netdevsim to itself
[  760.375783][T14548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).