[  484.897076] netdevsim netdevsim501 eni501np1: renamed from eth0
[  484.998802] netdevsim netdevsim624 eni624np1: renamed from eth1
[  485.362566] Could not find device with ifindex 2000 in netnsfd 11
[  485.362736] Could not find netns with fd: 2000
[  485.362822] Cannot link a netdevsim to itself
[  485.362938] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).