SMB2_OP_KEEPALIVE 33 source4/libcli/smb2/keepalive.c req = smb2_request_init(transport, SMB2_OP_KEEPALIVE, 0x04, false, 0); SMB2_OP_KEEPALIVE 410 source4/smb_server/smb2/receive.c case SMB2_OP_KEEPALIVE: