[  455.320249] netdevsim netdevsim706 eni706np1: renamed from eth1
[  455.320421] netdevsim netdevsim355 eni355np1: renamed from eth0
[  455.414350] Could not find device with ifindex 2000 in netnsfd 11
[  455.414439] Could not find netns with fd: 2000
[  455.414487] Cannot link a netdevsim to itself
[  455.414539] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).