[  487.664723] netdevsim netdevsim406 eni406np1: renamed from eth0
[  487.761471] netdevsim netdevsim607 eni607np1: renamed from eth1
[  487.998367] Could not find device with ifindex 2000 in netnsfd 11
[  487.998621] Could not find netns with fd: 2000
[  487.998733] Cannot link a netdevsim to itself
[  487.998857] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).