[ 1302.421067][T12054] netdevsim netdevsim564 eni564np1: renamed from eth1
[ 1302.438215][T12056] netdevsim netdevsim435 eni435np1: renamed from eth0
[ 1306.114903][T12048] Could not find device with ifindex 2000 in netnsfd 11
[ 1306.115752][T12048] Could not find netns with fd: 2000
[ 1306.116355][T12048] Cannot link a netdevsim to itself
[ 1306.117082][T12048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).