[  508.102377] netdevsim netdevsim607 eni607np1: renamed from eth1
[  508.199794] netdevsim netdevsim371 eni371np1: renamed from eth0
[  508.411779] Could not find device with ifindex 2000 in netnsfd 11
[  508.411949] Could not find netns with fd: 2000
[  508.412019] Cannot link a netdevsim to itself
[  508.412121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).