[  507.887288] netdevsim netdevsim547 eni547np1: renamed from eth1
[  507.984513] netdevsim netdevsim328 eni328np1: renamed from eth0
[  508.200043] Could not find device with ifindex 2000 in netnsfd 11
[  508.200262] Could not find netns with fd: 2000
[  508.200366] Cannot link a netdevsim to itself
[  508.200489] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).