[  476.878070] netdevsim netdevsim304 eni304np1: renamed from eth0
[  476.878473] netdevsim netdevsim743 eni743np1: renamed from eth1
[  476.962015] Could not find device with ifindex 2000 in netnsfd 11
[  476.962115] Could not find netns with fd: 2000
[  476.962162] Cannot link a netdevsim to itself
[  476.962223] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).