[  473.938938] netdevsim netdevsim387 eni387np1: renamed from eth0
[  473.939405] netdevsim netdevsim732 eni732np1: renamed from eth1
[  474.025783] Could not find device with ifindex 2000 in netnsfd 11
[  474.025952] Could not find netns with fd: 2000
[  474.026073] Cannot link a netdevsim to itself
[  474.026223] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).