[  966.655414][T12656] netdevsim netdevsim536 eni536np1: renamed from eth1
[  966.657287][T12673] netdevsim netdevsim312 eni312np1: renamed from eth0
[  968.219908][T12751] Could not find device with ifindex 2000 in netnsfd 11
[  968.221165][T12751] Could not find netns with fd: 2000
[  968.222104][T12751] Cannot link a netdevsim to itself
[  968.223208][T12751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).