[ 1189.116909][T12777] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1189.241252][T12778] netdevsim netdevsim753 eni753np1: renamed from eth1
[ 1191.855554][T12769] Could not find device with ifindex 2000 in netnsfd 11
[ 1191.857019][T12769] Could not find netns with fd: 2000
[ 1191.858854][T12769] Cannot link a netdevsim to itself
[ 1191.860068][T12769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).