[ 1311.693203][T13048] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1311.832120][T13045] netdevsim netdevsim525 eni525np1: renamed from eth1
[ 1314.597856][T13035] Could not find device with ifindex 2000 in netnsfd 11
[ 1314.600143][T13035] Could not find netns with fd: 2000
[ 1314.601445][T13035] Cannot link a netdevsim to itself
[ 1314.602589][T13035] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).