[  483.781304] netdevsim netdevsim550 eni550np1: renamed from eth1
[  483.782400] netdevsim netdevsim286 eni286np1: renamed from eth0
[  483.864586] Could not find device with ifindex 2000 in netnsfd 11
[  483.864673] Could not find netns with fd: 2000
[  483.864717] Cannot link a netdevsim to itself
[  483.864767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).