[  454.898046] netdevsim netdevsim351 eni351np1: renamed from eth0
[  454.902408] netdevsim netdevsim657 eni657np1: renamed from eth1
[  454.992218] Could not find device with ifindex 2000 in netnsfd 11
[  454.992370] Could not find netns with fd: 2000
[  454.992471] Cannot link a netdevsim to itself
[  454.992595] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).