[ 1218.629898][T12777] netdevsim netdevsim686 eni686np1: renamed from eth1
[ 1218.635122][T12779] netdevsim netdevsim346 eni346np1: renamed from eth0
[ 1221.318216][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.320032][T12771] Could not find netns with fd: 2000
[ 1221.321522][T12771] Cannot link a netdevsim to itself
[ 1221.323334][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).