[  480.385912] netdevsim netdevsim495 eni495np1: renamed from eth0
[  480.386156] netdevsim netdevsim654 eni654np1: renamed from eth1
[  480.473198] Could not find device with ifindex 2000 in netnsfd 11
[  480.473332] Could not find netns with fd: 2000
[  480.473388] Cannot link a netdevsim to itself
[  480.473457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).