[  473.084697] netdevsim netdevsim464 eni464np1: renamed from eth0
[  473.085280] netdevsim netdevsim766 eni766np1: renamed from eth1
[  473.168680] Could not find device with ifindex 2000 in netnsfd 11
[  473.168768] Could not find netns with fd: 2000
[  473.168813] Cannot link a netdevsim to itself
[  473.168862] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).