[ 1231.340278][T12513] netdevsim netdevsim307 eni307np1: renamed from eth0
[ 1231.367334][T12514] netdevsim netdevsim652 eni652np1: renamed from eth1
[ 1233.978959][T12501] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.980229][T12501] Could not find netns with fd: 2000
[ 1233.981280][T12501] Cannot link a netdevsim to itself
[ 1233.982429][T12501] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).