[  486.760765] netdevsim netdevsim370 eni370np1: renamed from eth0
[  486.857439] netdevsim netdevsim670 eni670np1: renamed from eth1
[  487.080938] Could not find device with ifindex 2000 in netnsfd 11
[  487.081347] Could not find netns with fd: 2000
[  487.081463] Cannot link a netdevsim to itself
[  487.081583] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).