[ 1007.318591][T12578] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1007.408990][T12628] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1009.158258][T12623] Could not find device with ifindex 2000 in netnsfd 11
[ 1009.159141][T12623] Could not find netns with fd: 2000
[ 1009.159808][T12623] Cannot link a netdevsim to itself
[ 1009.160556][T12623] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).