[  490.241899] netdevsim netdevsim323 eni323np1: renamed from eth0
[  490.242172] netdevsim netdevsim708 eni708np1: renamed from eth1
[  490.329220] Could not find device with ifindex 2000 in netnsfd 11
[  490.329310] Could not find netns with fd: 2000
[  490.329360] Cannot link a netdevsim to itself
[  490.329413] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).