[  461.151144] netdevsim netdevsim294 eni294np1: renamed from eth0
[  461.151582] netdevsim netdevsim551 eni551np1: renamed from eth1
[  461.257879] Could not find device with ifindex 2000 in netnsfd 11
[  461.257988] Could not find netns with fd: 2000
[  461.258033] Cannot link a netdevsim to itself
[  461.258085] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).