[ 1039.499155][T12646] netdevsim netdevsim386 eni386np1: renamed from eth0
[ 1039.604534][T12577] netdevsim netdevsim522 eni522np1: renamed from eth1
[ 1041.447123][T12724] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.448393][T12724] Could not find netns with fd: 2000
[ 1041.449117][T12724] Cannot link a netdevsim to itself
[ 1041.449903][T12724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).