[  488.188867] netdevsim netdevsim370 eni370np1: renamed from eth0
[  488.189408] netdevsim netdevsim700 eni700np1: renamed from eth1
[  488.285689] Could not find device with ifindex 2000 in netnsfd 11
[  488.285787] Could not find netns with fd: 2000
[  488.285840] Cannot link a netdevsim to itself
[  488.285894] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).