[  515.407391] netdevsim netdevsim625 eni625np1: renamed from eth1
[  515.504582] netdevsim netdevsim323 eni323np1: renamed from eth0
[  515.719150] Could not find device with ifindex 2000 in netnsfd 11
[  515.719369] Could not find netns with fd: 2000
[  515.719470] Cannot link a netdevsim to itself
[  515.719583] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).