[ 1014.230429][T12135] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1014.312408][T12133] netdevsim netdevsim715 eni715np1: renamed from eth1
[ 1016.077456][T12556] Could not find device with ifindex 2000 in netnsfd 11
[ 1016.078516][T12556] Could not find netns with fd: 2000
[ 1016.079448][T12556] Cannot link a netdevsim to itself
[ 1016.080476][T12556] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).