[  489.864479] netdevsim netdevsim384 eni384np1: renamed from eth0
[  489.966621] netdevsim netdevsim683 eni683np1: renamed from eth1
[  490.316116] Could not find device with ifindex 2000 in netnsfd 11
[  490.316266] Could not find netns with fd: 2000
[  490.316359] Cannot link a netdevsim to itself
[  490.316464] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).