[  486.865173] netdevsim netdevsim488 eni488np1: renamed from eth0
[  486.966195] netdevsim netdevsim523 eni523np1: renamed from eth1
[  487.279610] Could not find device with ifindex 2000 in netnsfd 11
[  487.279755] Could not find netns with fd: 2000
[  487.279822] Cannot link a netdevsim to itself
[  487.279903] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).