[  475.780362] netdevsim netdevsim307 eni307np1: renamed from eth0
[  475.780762] netdevsim netdevsim696 eni696np1: renamed from eth1
[  475.869770] Could not find device with ifindex 2000 in netnsfd 11
[  475.869849] Could not find netns with fd: 2000
[  475.869894] Cannot link a netdevsim to itself
[  475.869940] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).