[  487.871455] netdevsim netdevsim558 eni558np1: renamed from eth1
[  487.971766] netdevsim netdevsim278 eni278np1: renamed from eth0
[  488.292493] Could not find device with ifindex 2000 in netnsfd 11
[  488.292622] Could not find netns with fd: 2000
[  488.292693] Cannot link a netdevsim to itself
[  488.292783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).