[  475.078247] netdevsim netdevsim476 eni476np1: renamed from eth0
[  475.079218] netdevsim netdevsim547 eni547np1: renamed from eth0
[  475.168578] Could not find device with ifindex 2000 in netnsfd 11
[  475.168669] Could not find netns with fd: 2000
[  475.168728] Cannot link a netdevsim to itself
[  475.168776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).