[ 1042.484426][T12760] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1042.589884][T12761] netdevsim netdevsim409 eni409np1: renamed from eth0
[ 1044.492015][T12753] Could not find device with ifindex 2000 in netnsfd 11
[ 1044.492964][T12753] Could not find netns with fd: 2000
[ 1044.493641][T12753] Cannot link a netdevsim to itself
[ 1044.494411][T12753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).