[ 1309.637149][T12846] netdevsim netdevsim542 eni542np1: renamed from eth1
[ 1309.747155][T12849] netdevsim netdevsim285 eni285np1: renamed from eth0
[ 1312.300201][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1312.302323][T12837] Could not find netns with fd: 2000
[ 1312.303288][T12837] Cannot link a netdevsim to itself
[ 1312.304428][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).