[  484.886649] netdevsim netdevsim274 eni274np1: renamed from eth0
[  484.987090] netdevsim netdevsim715 eni715np1: renamed from eth1
[  485.378065] Could not find device with ifindex 2000 in netnsfd 11
[  485.378222] Could not find netns with fd: 2000
[  485.378301] Cannot link a netdevsim to itself
[  485.378392] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).