[  484.477494] netdevsim netdevsim463 eni463np1: renamed from eth0
[  484.480053] netdevsim netdevsim556 eni556np1: renamed from eth1
[  484.568208] Could not find device with ifindex 2000 in netnsfd 11
[  484.568362] Could not find netns with fd: 2000
[  484.568494] Cannot link a netdevsim to itself
[  484.568636] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).