[  482.240385] netdevsim netdevsim346 eni346np1: renamed from eth0
[  482.341372] netdevsim netdevsim767 eni767np1: renamed from eth1
[  482.655476] Could not find device with ifindex 2000 in netnsfd 11
[  482.655613] Could not find netns with fd: 2000
[  482.655695] Cannot link a netdevsim to itself
[  482.655782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).