[  485.455233] netdevsim netdevsim371 eni371np1: renamed from eth0
[  485.551936] netdevsim netdevsim656 eni656np1: renamed from eth1
[  485.778868] Could not find device with ifindex 2000 in netnsfd 11
[  485.779279] Could not find netns with fd: 2000
[  485.779381] Cannot link a netdevsim to itself
[  485.779525] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).