[ 1030.537632][T12589] netdevsim netdevsim410 eni410np1: renamed from eth0
[ 1030.551269][T12586] netdevsim netdevsim620 eni620np1: renamed from eth1
[ 1032.507039][T12581] Could not find device with ifindex 2000 in netnsfd 11
[ 1032.508451][T12581] Could not find netns with fd: 2000
[ 1032.509258][T12581] Cannot link a netdevsim to itself
[ 1032.510045][T12581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).