[  485.270635] netdevsim netdevsim587 eni587np1: renamed from eth1
[  485.372960] netdevsim netdevsim280 eni280np1: renamed from eth0
[  485.727959] Could not find device with ifindex 2000 in netnsfd 11
[  485.728154] Could not find netns with fd: 2000
[  485.728264] Cannot link a netdevsim to itself
[  485.728392] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).