[  562.198049] netdevsim netdevsim650 eni650np1: renamed from eth1
[  562.295104] netdevsim netdevsim286 eni286np1: renamed from eth0
[  562.551786] Could not find device with ifindex 2000 in netnsfd 11
[  562.552059] Could not find netns with fd: 2000
[  562.552172] Cannot link a netdevsim to itself
[  562.552308] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).