[ 1061.690213][T12750] netdevsim netdevsim515 eni515np1: renamed from eth1
[ 1061.800711][T12751] netdevsim netdevsim313 eni313np1: renamed from eth0
[ 1063.717256][T12743] Could not find device with ifindex 2000 in netnsfd 11
[ 1063.718810][T12743] Could not find netns with fd: 2000
[ 1063.719632][T12743] Cannot link a netdevsim to itself
[ 1063.720557][T12743] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).