[ 1021.879108][T12676] netdevsim netdevsim524 eni524np1: renamed from eth1
[ 1021.992996][T12725] netdevsim netdevsim412 eni412np1: renamed from eth0
[ 1023.834585][T12720] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.835606][T12720] Could not find netns with fd: 2000
[ 1023.836309][T12720] Cannot link a netdevsim to itself
[ 1023.837228][T12720] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).