[  455.020132] netdevsim netdevsim386 eni386np1: renamed from eth0
[  455.021515] netdevsim netdevsim660 eni660np1: renamed from eth1
[  455.114011] Could not find device with ifindex 2000 in netnsfd 11
[  455.114136] Could not find netns with fd: 2000
[  455.114194] Cannot link a netdevsim to itself
[  455.114261] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).