[ 1254.736904][T12749] netdevsim netdevsim275 eni275np1: renamed from eth0
[ 1254.853717][T12748] netdevsim netdevsim632 eni632np1: renamed from eth1
[ 1257.371495][T12736] Could not find device with ifindex 2000 in netnsfd 11
[ 1257.374629][T12736] Could not find netns with fd: 2000
[ 1257.376259][T12736] Cannot link a netdevsim to itself
[ 1257.378092][T12736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).