[ 1020.411459][T12470] netdevsim netdevsim664 eni664np1: renamed from eth1
[ 1020.510235][T12473] netdevsim netdevsim388 eni388np1: renamed from eth0
[ 1022.380788][T12465] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.382135][T12465] Could not find netns with fd: 2000
[ 1022.383107][T12465] Cannot link a netdevsim to itself
[ 1022.384363][T12465] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).