[  474.333696] netdevsim netdevsim466 eni466np1: renamed from eth0
[  474.333878] netdevsim netdevsim732 eni732np1: renamed from eth1
[  474.422275] Could not find device with ifindex 2000 in netnsfd 11
[  474.422366] Could not find netns with fd: 2000
[  474.422418] Cannot link a netdevsim to itself
[  474.422479] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).