[  485.167741] netdevsim netdevsim371 eni371np1: renamed from eth0
[  485.168318] netdevsim netdevsim613 eni613np1: renamed from eth1
[  485.272867] Could not find device with ifindex 2000 in netnsfd 11
[  485.272962] Could not find netns with fd: 2000
[  485.273010] Cannot link a netdevsim to itself
[  485.273061] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).