[ 1228.664277][T11144] netdevsim netdevsim281 eni281np1: renamed from eth0
[ 1228.688873][T11143] netdevsim netdevsim605 eni605np1: renamed from eth1
[ 1231.883898][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.884599][T11136] Could not find netns with fd: 2000
[ 1231.885376][T11136] Cannot link a netdevsim to itself
[ 1231.886062][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).