[ 1237.765313][T11153] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1237.860534][T11154] netdevsim netdevsim265 eni265np1: renamed from eth0
[ 1241.246911][T11146] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.247786][T11146] Could not find netns with fd: 2000
[ 1241.248611][T11146] Cannot link a netdevsim to itself
[ 1241.249321][T11146] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).