[ 1291.076655][T12847] netdevsim netdevsim657 eni657np1: renamed from eth1
[ 1291.202584][T12850] netdevsim netdevsim357 eni357np1: renamed from eth0
[ 1293.821267][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1293.824189][T12837] Could not find netns with fd: 2000
[ 1293.825620][T12837] Cannot link a netdevsim to itself
[ 1293.827373][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).