[  475.383749] netdevsim netdevsim280 eni280np1: renamed from eth0
[  475.384571] netdevsim netdevsim626 eni626np1: renamed from eth0
[  475.474599] Could not find device with ifindex 2000 in netnsfd 11
[  475.474687] Could not find netns with fd: 2000
[  475.474729] Cannot link a netdevsim to itself
[  475.474780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).