[ 1252.778452][T11152] netdevsim netdevsim449 eni449np1: renamed from eth0
[ 1252.890966][T11150] netdevsim netdevsim606 eni606np1: renamed from eth1
[ 1256.301135][T11144] Could not find device with ifindex 2000 in netnsfd 11
[ 1256.302282][T11144] Could not find netns with fd: 2000
[ 1256.303280][T11144] Cannot link a netdevsim to itself
[ 1256.304419][T11144] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).