[  476.272297] netdevsim netdevsim316 eni316np1: renamed from eth0
[  476.273309] netdevsim netdevsim550 eni550np1: renamed from eth0
[  476.368742] Could not find device with ifindex 2000 in netnsfd 11
[  476.368832] Could not find netns with fd: 2000
[  476.368878] Cannot link a netdevsim to itself
[  476.368930] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).