[  473.525629] netdevsim netdevsim481 eni481np1: renamed from eth0
[  473.526206] netdevsim netdevsim530 eni530np1: renamed from eth1
[  473.593258] Could not find device with ifindex 2000 in netnsfd 11
[  473.593348] Could not find netns with fd: 2000
[  473.593403] Cannot link a netdevsim to itself
[  473.593459] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).