[ 1017.259435][ T7963] netdevsim netdevsim412 eni412np1: renamed from eth0
[ 1017.288030][ T7966] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1020.690934][ T7957] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.691754][ T7957] Could not find netns with fd: 2000
[ 1020.692418][ T7957] Cannot link a netdevsim to itself
[ 1020.693802][ T7957] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).