[ 1187.537768][T12778] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1187.654313][T12782] netdevsim netdevsim390 eni390np1: renamed from eth0
[ 1190.248754][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1190.249977][T12774] Could not find netns with fd: 2000
[ 1190.250922][T12774] Cannot link a netdevsim to itself
[ 1190.252071][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).