[ 1266.132348][T12787] netdevsim netdevsim280 eni280np1: renamed from eth0
[ 1266.196566][T12786] netdevsim netdevsim598 eni598np1: renamed from eth1
[ 1268.922969][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1268.924097][T12775] Could not find netns with fd: 2000
[ 1268.925018][T12775] Cannot link a netdevsim to itself
[ 1268.926355][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).