[  493.368618] netdevsim netdevsim586 eni586np1: renamed from eth1
[  493.463781] netdevsim netdevsim270 eni270np1: renamed from eth0
[  493.733924] Could not find device with ifindex 2000 in netnsfd 11
[  493.734299] Could not find netns with fd: 2000
[  493.734397] Cannot link a netdevsim to itself
[  493.734505] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).