[  536.724733] netdevsim netdevsim758 eni758np1: renamed from eth1
[  536.822169] netdevsim netdevsim349 eni349np1: renamed from eth0
[  537.050927] Could not find device with ifindex 2000 in netnsfd 11
[  537.051135] Could not find netns with fd: 2000
[  537.051246] Cannot link a netdevsim to itself
[  537.051364] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).