[ 1244.554677][T12787] netdevsim netdevsim619 eni619np1: renamed from eth1
[ 1244.689379][T12790] netdevsim netdevsim258 eni258np1: renamed from eth0
[ 1247.392083][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.393286][T12778] Could not find netns with fd: 2000
[ 1247.394169][T12778] Cannot link a netdevsim to itself
[ 1247.395314][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).