[ 1403.476599][T12514] netdevsim netdevsim575 eni575np1: renamed from eth1
[ 1403.499835][T12513] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1407.272963][T12507] Could not find device with ifindex 2000 in netnsfd 11
[ 1407.273842][T12507] Could not find netns with fd: 2000
[ 1407.274475][T12507] Cannot link a netdevsim to itself
[ 1407.275202][T12507] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).