[  485.374340] netdevsim netdevsim412 eni412np1: renamed from eth0
[  485.476324] netdevsim netdevsim570 eni570np1: renamed from eth1
[  485.871908] Could not find device with ifindex 2000 in netnsfd 11
[  485.872090] Could not find netns with fd: 2000
[  485.872192] Cannot link a netdevsim to itself
[  485.872314] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).