[  461.844236] netdevsim netdevsim307 eni307np1: renamed from eth0
[  461.844807] netdevsim netdevsim696 eni696np1: renamed from eth1
[  461.928010] Could not find device with ifindex 2000 in netnsfd 11
[  461.928133] Could not find netns with fd: 2000
[  461.928198] Cannot link a netdevsim to itself
[  461.928262] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).