[ 1026.191410][T12650] netdevsim netdevsim312 eni312np1: renamed from eth0
[ 1026.298986][T12652] netdevsim netdevsim632 eni632np1: renamed from eth1
[ 1028.126677][T12645] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.127705][T12645] Could not find netns with fd: 2000
[ 1028.128428][T12645] Cannot link a netdevsim to itself
[ 1028.129250][T12645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).