[  485.704565] netdevsim netdevsim353 eni353np1: renamed from eth0
[  485.806118] netdevsim netdevsim630 eni630np1: renamed from eth1
[  486.168742] Could not find device with ifindex 2000 in netnsfd 11
[  486.168914] Could not find netns with fd: 2000
[  486.169008] Cannot link a netdevsim to itself
[  486.169127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).