[ 1229.159746][T12909] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1229.271043][T12910] netdevsim netdevsim488 eni488np1: renamed from eth0
[ 1231.774065][T12902] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.775216][T12902] Could not find netns with fd: 2000
[ 1231.776109][T12902] Cannot link a netdevsim to itself
[ 1231.777201][T12902] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).