[ 1035.886093][T12760] netdevsim netdevsim673 eni673np1: renamed from eth1
[ 1036.017695][T12762] netdevsim netdevsim283 eni283np1: renamed from eth0
[ 1037.675030][T12754] Could not find device with ifindex 2000 in netnsfd 11
[ 1037.676076][T12754] Could not find netns with fd: 2000
[ 1037.676872][T12754] Cannot link a netdevsim to itself
[ 1037.677718][T12754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).