[ 1040.136162][T12648] netdevsim netdevsim449 eni449np1: renamed from eth0
[ 1040.242224][T12581] netdevsim netdevsim674 eni674np1: renamed from eth1
[ 1042.157529][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1042.158692][T12727] Could not find netns with fd: 2000
[ 1042.159547][T12727] Cannot link a netdevsim to itself
[ 1042.160562][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).