[ 1041.896057][T12752] netdevsim netdevsim272 eni272np1: renamed from eth0
[ 1041.936830][T12753] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1043.872336][T12746] Could not find device with ifindex 2000 in netnsfd 11
[ 1043.873563][T12746] Could not find netns with fd: 2000
[ 1043.874479][T12746] Cannot link a netdevsim to itself
[ 1043.875783][T12746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).