[  524.767056] netdevsim netdevsim473 eni473np1: renamed from eth0
[  524.863908] netdevsim netdevsim675 eni675np1: renamed from eth1
[  525.098634] Could not find device with ifindex 2000 in netnsfd 11
[  525.098820] Could not find netns with fd: 2000
[  525.098901] Cannot link a netdevsim to itself
[  525.099004] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).