[  476.119404] netdevsim netdevsim332 eni332np1: renamed from eth0
[  476.215924] netdevsim netdevsim561 eni561np1: renamed from eth1
[  476.479905] Could not find device with ifindex 2000 in netnsfd 11
[  476.480160] Could not find netns with fd: 2000
[  476.480270] Cannot link a netdevsim to itself
[  476.480457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).