[  493.612003] netdevsim netdevsim280 eni280np1: renamed from eth0
[  493.708942] netdevsim netdevsim544 eni544np1: renamed from eth1
[  493.955041] Could not find device with ifindex 2000 in netnsfd 11
[  493.955456] Could not find netns with fd: 2000
[  493.955569] Cannot link a netdevsim to itself
[  493.955696] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).