[ 1234.842743][T11144] netdevsim netdevsim751 eni751np1: renamed from eth1
[ 1234.866290][T11146] netdevsim netdevsim351 eni351np1: renamed from eth0
[ 1238.085265][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.086308][T11138] Could not find netns with fd: 2000
[ 1238.087183][T11138] Cannot link a netdevsim to itself
[ 1238.088495][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).