[  455.508642] netdevsim netdevsim358 eni358np1: renamed from eth0
[  455.508883] netdevsim netdevsim721 eni721np1: renamed from eth1
[  455.592773] Could not find device with ifindex 2000 in netnsfd 11
[  455.592925] Could not find netns with fd: 2000
[  455.593034] Cannot link a netdevsim to itself
[  455.593153] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).