[  487.706512] netdevsim netdevsim587 eni587np1: renamed from eth1
[  487.802486] netdevsim netdevsim277 eni277np1: renamed from eth0
[  488.024688] Could not find device with ifindex 2000 in netnsfd 11
[  488.025082] Could not find netns with fd: 2000
[  488.025185] Cannot link a netdevsim to itself
[  488.025295] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).