[ 1026.157509][T12642] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1026.182560][T12574] netdevsim netdevsim651 eni651np1: renamed from eth1
[ 1027.931498][T12719] Could not find device with ifindex 2000 in netnsfd 11
[ 1027.938468][T12719] Could not find netns with fd: 2000
[ 1027.939171][T12719] Cannot link a netdevsim to itself
[ 1027.940086][T12719] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).