[  486.724364] netdevsim netdevsim354 eni354np1: renamed from eth0
[  486.822038] netdevsim netdevsim686 eni686np1: renamed from eth1
[  487.032473] Could not find device with ifindex 2000 in netnsfd 11
[  487.032781] Could not find netns with fd: 2000
[  487.032856] Cannot link a netdevsim to itself
[  487.032949] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).