[  524.031562] netdevsim netdevsim295 eni295np1: renamed from eth0
[  524.128375] netdevsim netdevsim728 eni728np1: renamed from eth1
[  524.368558] Could not find device with ifindex 2000 in netnsfd 11
[  524.368768] Could not find netns with fd: 2000
[  524.368861] Cannot link a netdevsim to itself
[  524.368998] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).