[  455.071077] netdevsim netdevsim275 eni275np1: renamed from eth0
[  455.071584] netdevsim netdevsim680 eni680np1: renamed from eth1
[  455.161292] Could not find device with ifindex 2000 in netnsfd 11
[  455.161391] Could not find netns with fd: 2000
[  455.161436] Cannot link a netdevsim to itself
[  455.161487] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).