[  524.431089] netdevsim netdevsim367 eni367np1: renamed from eth0
[  524.527105] netdevsim netdevsim622 eni622np1: renamed from eth1
[  524.760640] Could not find device with ifindex 2000 in netnsfd 11
[  524.760852] Could not find netns with fd: 2000
[  524.760957] Cannot link a netdevsim to itself
[  524.761088] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).