[  516.120379] netdevsim netdevsim259 eni259np1: renamed from eth0
[  516.217415] netdevsim netdevsim706 eni706np1: renamed from eth1
[  516.447938] Could not find device with ifindex 2000 in netnsfd 11
[  516.448136] Could not find netns with fd: 2000
[  516.448219] Cannot link a netdevsim to itself
[  516.448322] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).