[  486.071723] netdevsim netdevsim712 eni712np1: renamed from eth1
[  486.168326] netdevsim netdevsim446 eni446np1: renamed from eth0
[  486.406335] Could not find device with ifindex 2000 in netnsfd 11
[  486.406677] Could not find netns with fd: 2000
[  486.406789] Cannot link a netdevsim to itself
[  486.406909] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).