[  486.807576] netdevsim netdevsim440 eni440np1: renamed from eth0
[  486.903199] netdevsim netdevsim607 eni607np1: renamed from eth1
[  487.133597] Could not find device with ifindex 2000 in netnsfd 11
[  487.133947] Could not find netns with fd: 2000
[  487.134078] Cannot link a netdevsim to itself
[  487.134208] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).