[ 1299.801386][T12506] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1299.919276][T12505] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1302.557861][T12493] Could not find device with ifindex 2000 in netnsfd 11
[ 1302.559326][T12493] Could not find netns with fd: 2000
[ 1302.560221][T12493] Cannot link a netdevsim to itself
[ 1302.561391][T12493] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).