[  487.381804] netdevsim netdevsim432 eni432np1: renamed from eth0
[  487.382824] netdevsim netdevsim637 eni637np1: renamed from eth1
[  487.465009] Could not find device with ifindex 2000 in netnsfd 11
[  487.465141] Could not find netns with fd: 2000
[  487.465251] Cannot link a netdevsim to itself
[  487.465369] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).