[ 1244.239635][T12795] netdevsim netdevsim479 eni479np1: renamed from eth0
[ 1244.387868][T12796] netdevsim netdevsim568 eni568np1: renamed from eth1
[ 1247.146363][T12783] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.148166][T12783] Could not find netns with fd: 2000
[ 1247.150121][T12783] Cannot link a netdevsim to itself
[ 1247.151303][T12783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).