[ 1026.388221][T12136] netdevsim netdevsim415 eni415np1: renamed from eth0
[ 1026.490856][T12139] netdevsim netdevsim644 eni644np1: renamed from eth1
[ 1028.251249][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.252399][T12727] Could not find netns with fd: 2000
[ 1028.253153][T12727] Cannot link a netdevsim to itself
[ 1028.254012][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).