[ 1259.114037][T12787] netdevsim netdevsim312 eni312np1: renamed from eth0
[ 1259.229457][T12783] netdevsim netdevsim753 eni753np1: renamed from eth1
[ 1261.806261][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1261.808246][T12775] Could not find netns with fd: 2000
[ 1261.810257][T12775] Cannot link a netdevsim to itself
[ 1261.812178][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).