[ 1231.256618][T12612] netdevsim netdevsim570 eni570np1: renamed from eth1
[ 1231.345522][T12611] netdevsim netdevsim284 eni284np1: renamed from eth0
[ 1233.994960][T12603] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.996592][T12603] Could not find netns with fd: 2000
[ 1233.997559][T12603] Cannot link a netdevsim to itself
[ 1233.998727][T12603] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).