[  539.739832] netdevsim netdevsim460 eni460np1: renamed from eth0
[  539.841009] netdevsim netdevsim715 eni715np1: renamed from eth1
[  540.223558] Could not find device with ifindex 2000 in netnsfd 11
[  540.223696] Could not find netns with fd: 2000
[  540.223758] Cannot link a netdevsim to itself
[  540.223837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).