[ 1018.265149][T12070] netdevsim netdevsim574 eni574np1: renamed from eth1
[ 1018.355050][T12135] netdevsim netdevsim459 eni459np1: renamed from eth0
[ 1020.071312][T12459] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.072221][T12459] Could not find netns with fd: 2000
[ 1020.073053][T12459] Cannot link a netdevsim to itself
[ 1020.073852][T12459] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).